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Will CPI-U for Owners' equivalent rent for September 2026 be above 444.8?
48%
Agent
50%
Market Price
-2.2%
Edge
54%
Confidence
13,342
Volume
1.0c
Spread
22
Days to resolution
25
Markets in event
final rationale
Mean of 5 draws (0.47, 0.52, 0.48, 0.46, 0.46). (0) Not resolved: BLS series CUUR0000SEHC shows August 2026 NSA OER = 443.642 and September is blank; resolution requires the Oct 14 CPI release (8:30 ET), which coincides with market close, and the CR through Dec 11 makes a shutdown delay unlikely. (a) ~22 days to close. (b) Status quo trend: the index needs +1.158 pts (+0.261%) m/m; trailing four NSA gains were +1.22, +1.01, +1.14, +1.14 — the threshold sits essentially at the trend midpoint, consistent with Kalshi's 50% anchor. (c) NO scenario: the seasonal-factor math (Aug NSA/SA ratio 0.99984 vs Sep ~1.00026 implies NSA ≈ SA +0.04%) means SA OER must rise ≥~0.22%; the latest SA print was only 0.186% (Jul→Aug, smallest since June) and Sep 2025's NSA gain was a weak +0.20%, so a repeat of August's pace lands ~444.7, just short. (d) YES scenario: SA OER reverts to the 0.24–0.30% pace seen in May–July (Jun→Jul SA was +0.26%), giving NSA ~+0.29% → ~444.9. The 3.1% y/y run rate implies ~0.255%/month, almost exactly the required 0.261%, so this is a genuine coin flip; I tilt slightly toward NO because of the most recent deceleration and the weak Sep-2025 seasonal precedent, but not far from the market's 50%.
price vs. prediction
market price
agent forecast at t+0
27 follow-ups
1. Planner Fable 5.1 · picks the research tools
Tools chosen:
kalshi_direct
resolution_source
fred
kalshi_related
code_execution
Planner reasoning
This is a structured economics question about the NSA CPI-U Owners' equivalent rent index for September 2026. FRED provides the exact series (CUUR0000SEHC) history so we can compute the required month-over-month change to exceed 444.8 and compare with recent trends; kalshi_direct anchors the price and kalshi_related gives the full ladder of OER thresholds plus adjacent CPI markets. Resolution source is the BLS CPI release page.
2. Research parallel tool calls + 4 web research loops (Sonnet 5) · read raw by the forecasters
at a glance
RESEARCH DIGEST (built in code: tool summaries and each report's bottom line; the forecasters read the full tool outputs and reports)
Tools
- kalshi_direct: ## This Market's Kalshi Data **Above 444.8** (KXOER-26OCT14-T444.8) - Current price (probability): 50.00% - 7-day price change: +0.00% - 30-day price change: +0.00% - Average daily volume: 4447 contracts - Price range: 48.00% - 50.00% - Data points: 3 days
- resolution_source: already_resolved=unclear; matches_criteria=True; last_updated=Data extracted on September 21, 2026 (10:26:29 PM); next CPI release for September 2026 scheduled for October 14, 2026. The BLS series CUUR0000SEHC shows Owners' equivalent rent index values through August 2026 (443.642), with September 2026 data not yet reported (shown as blank/unavailable in the series). The index has been rising roug
- fred: Fetched 4 FRED series (lookback=730d).
- kalshi_related: 2 related markets / summaries. series KXOER: 0 markets (skipped 25 no-signal) | series KXCPI: 0 markets (skipped 44 no-signal) | series KXCPICORE: 0 markets (skipped 44 no-signal) | keyword 'owners equivalent rent': ok | keyword 'CPI September 2026': ok
- code_execution: **Important caveat:** This sandbox has no live internet/FRED access, so the actual CUUR0000SEHC (CPI-U OER, NSA) observations could not be pulled directly. The figures below use illustrative/proxy index levels consistent with the recently reported OER trend (~4–5% YoY, decelerating; NSA MoM increases averaging ~0.30–0.38%) to demonstrate the required methodology. These should be replaced with the
Research loops, bottom lines
- current state: As of the last published data (August 2026, released Sept 11, 2026), NSA OER stood at 443.642, and would need only a roughly 0.26%+ monthly increase in September to clear the 444.8 threshold — consistent with, but not far above, the recent ~0.2–0.3% monthly pace, making the outcome close and highly dependent on the October 14, 2026 release (which falls before the market's close).
- base rate: The historical base rate strongly favors continued month-over-month increases in NSA OER (five consecutive months of gains averaging ~1.0–1.2 index points with essentially zero incidence of declines or plateaus in the reviewed period), but the specific threshold of 444.8 requires an increase almost exactly equal to the recent average (~1.16 points), making this a near coin-flip purely on trend extrapolation rather than a high-confidence Yes or No based on outside-view seasonality/momentum alone.
- yes case: The NSA OER index has climbed by roughly 1.0–1.2 index points every month for the past four months (439.1→443.6 from April to August 2026), and even a repeat of August's own 1.14-point gain would push September's level to about 444.8, right at or just above the threshold — so a YES resolution requires only that the recent, persistent OER uptrend continue at its normal pace or mildly accelerate (as it already did from June to August), not that anything unusual happen.
- no case: The August 2026 NSA OER index (443.642) sits just below the 444.8 threshold, and recent monthly OER gains have decelerated to roughly 0.2%–0.3%, putting September's outcome on a razor's edge — a continuation of the lower end of the recent pace (0.2%) would land the index around 444.5, short of resolution to Yes, while the report's scheduled October 14 release date (same day as market close) leaves no margin for any data-availability disruption, a risk made concrete by the 2025 shutdown-driven CP
tools
| tool | status | time | items | summary |
|---|---|---|---|---|
| kalshi_direct | OK | 0.2s | 1 | ## This Market's Kalshi Data **Above 444.8** (KXOER-26OCT14-T444.8) - Current price (probability): 50.00% - 7-day price change: +0.00% - 30-day price change: +0.00% - Average daily volume: 4447 contracts - Price range: 48.00% - 50.00% - Data points: 3 days |
| resolution_source | OK | 7.4s | 1 | already_resolved=unclear; matches_criteria=True; last_updated=Data extracted on September 21, 2026 (10:26:29 PM); next CPI release for September 2026 scheduled for October 14, 2026. The BLS series CUUR0000SEHC shows Owners' equivalent rent index values through August 2026 (443.642), with September 2 |
| fred | OK | 2.1s | 4 | Fetched 4 FRED series (lookback=730d). |
| kalshi_related | OK | 2.5s | 2 | 2 related markets / summaries. series KXOER: 0 markets (skipped 25 no-signal) | series KXCPI: 0 markets (skipped 44 no-signal) | series KXCPICORE: 0 markets (skipped 44 no-signal) | keyword 'owners equivalent rent': ok | keyword 'CPI September 2026': ok |
| code_execution | OK | 67.2s | 0 | **Important caveat:** This sandbox has no live internet/FRED access, so the actual CUUR0000SEHC (CPI-U OER, NSA) observations could not be pulled directly. The figures below use illustrative/proxy index levels consistent with the recently reported OER trend (~4–5% YoY, decelerating; NSA MoM increase |
research loops
·
4/4 ok ·
18 searches ·
9 page reads
| dimension | status | time | searches | page reads | report |
|---|---|---|---|---|---|
| current state | OK | 40s | 4 | 1 | 4571 chars |
| base rate | OK | 46s | 5 | 3 | 4360 chars |
| yes case | OK | 41s | 4 | 3 | 3827 chars |
| no case | OK | 61s | 5 | 2 | 5840 chars |
report: current state
- [2026-09-11] BLS released the CPI report for August 2026. The not-seasonally-adjusted (NSA) index for Owners' Equivalent Rent of Residences (U.S. city average, Dec 1982=100 base) stood at
Owners' equivalent rent of residences 25.918 430.387 442.503 443.642 3.1 0.3
— i.e., August 2026 NSA OER = 443.642, up from 442.503 in July 2026 (+0.3% m/m unadjusted) and from 430.387 in August 2025 (+3.1% y/y). https://www.bls.gov/news.release/pdf/cpi.pdf
- [2026-09-11] On a seasonally adjusted basis,
the shelter index increased 0.3 percent over the month after rising 0.1 percent in July. The index for owners' equivalent rent rose 0.2 percent in August as did the index for rent.
https://www.bls.gov/news.release/cpi.htm
- [2026-09-11] Over the trailing 12 months, OER (NSA) rose 3.1%, essentially unchanged from prior months' pace:
the shelter index increased 3.0 percent over the last year
(overall shelter), with OER itself also cited at 3.1% y/y in Table 7. https://www.bls.gov/news.release/pdf/cpi.pdf
- [2026-09-11] The August 2026 release explicitly notes a data gap:
NOTE: The Oct and Nov 2025 data values are not available due to the 2025 lapse in appropriations.
This affects year-over-year comparability of certain series but not the August 2026 print itself. https://www.bls.gov/news.release/pdf/cpi.pdf
- [2026-09-11] Regional detail (New York) confirms the national OER trend, noting a
4.4-percent rise in shelter prices included increases in owners' equivalent rent (+4.9 percent) and rent of primary residence (+4.0 percent)
in that region's y/y figures (higher than the U.S. average, illustrating regional dispersion). https://www.bls.gov/regions/northeast/news-release/consumerpriceindex_newyork.htm
- [2026-09-11] BLS confirms the next CPI release:
The Consumer Price Index for September 2026 is scheduled to be released on Wednesday, October 14, 2026, at 8:30 a.m. (ET).
This falls before the market's October 14, 2026 trading close, so the resolving data point should be available before/at close. https://www.bls.gov/regions/northeast/news-release/consumerpriceindex_newyork.htm
- [2026-09-11] BLS's main CPI landing page corroborates the same release date and shows August's broader inflation context:
In August, the Consumer Price Index for All Urban Consumers rose 0.4 percent, seasonally adjusted (SA), and rose 3.4 percent over the last 12 months, not seasonally adjusted (NSA). The index for all items less food and energy rose 0.3 percent in August (SA), up 2.4 percent over the year (NSA).
https://www.bls.gov/cpi/
- [2026-09-11] Detailed BLS Table 6 (1-month analysis) shows the August SA change for OER was
Owners' equivalent rent of residences 25.918 0.2 0.048 0.05 S-Jun.2026 0.2
— i.e., a 0.2% seasonally adjusted monthly rise, the smallest such increase since June 2026, indicating some deceleration in the seasonally adjusted momentum of OER. https://www.bls.gov/news.release/pdf/cpi.pdf
- [2026-09-11] NAHB's analysis of the same release states
the index for shelter, which makes up more than 40% of the "core" CPI, rose by 0.3% in August, following a 0.1% increase last month. Both the index for owners' equivalent rent (OER) and rent of primary residence (RPR) increased by 0.2% over the month.
https://eyeonhousing.org/2026/09/inflation-persisted-in-august/
- [2026-09-22 (today)] No September 2026 CPI/OER data exists yet; the next official data point is scheduled for October 14, 2026, per BLS. Based on the August level of 443.642 (NSA), reaching above 444.8 in September requires an NSA month-over-month increase of roughly +0.26% or more (444.8/443.642 ≈ 1.0026); the most recent two NSA monthly OER changes were +0.3% (Jul→Aug) and the SA August monthly change was only +0.2% (smallest since June), so the September outcome sits close to the threshold and is sensitive to whether the NSA monthly increase matches recent (~0.3%) or slightly decelerated (~0.2%) pace.
BOTTOM LINE: As of the last published data (August 2026, released Sept 11, 2026), NSA OER stood at 443.642, and would need only a roughly 0.26%+ monthly increase in September to clear the 444.8 threshold — consistent with, but not far above, the recent ~0.2–0.3% monthly pace, making the outcome close and highly dependent on the October 14, 2026 release (which falls before the market's close).
NOT FOUND: The actual September 2026 OER figure (not yet released; scheduled Oct 14, 2026). Also could not find a clean historical Aug→Sep seasonal NSA OER percent-change pattern to refine the projection further within the search budget.
report: base rate
- [2026-09-11] BLS's August 2026 CPI release confirms the pattern that has held all year:
"The index for · owners' equivalent rent rose 0.2 percent in August as did the index for rent."
This continues an unbroken streak of monthly increases in OER dating back years — the index has not declined month-over-month in any recent period in the data reviewed. (https://www.bls.gov/news.release/pdf/cpi.pdf)
- [2026-09-11] The not-seasonally-adjusted OER index level (the exact series referenced by the market) has risen steadily: Apr 2026: 439.137, May 2026: 440.357, Jun 2026: 441.365, Jul 2026: 442.503, Aug 2026: 443.642 (Index Dec 1982=100, NSA). This is a consistent monthly gain of roughly 1.0–1.2 index points (≈0.2–0.3%) for five straight months. (https://fred.stlouisfed.org/series/CUUR0000SEHC)
- [2026-09-11] BLS's official Table 1 for August 2026 shows the same NSA OER figure, 443.642, with an unadjusted 1-month change of 0.3 percent and an unadjusted 12-month change of 3.1 percent — a base rate that has been remarkably stable for many months. (https://www.bls.gov/news.release/pdf/cpi.pdf)
- [2026-09-11] Seasonally adjusted OER has also shown persistent 0.2–0.3% monthly increases in 2026 (Feb +0.2, Mar +0.3, Apr +0.6→component-level 0.2, May 0.3, Jun 0.1→0.2, Jul 0.1→0.3, Aug 0.2), indicating no sign of deceleration or reversal in shelter-cost inflation this year. (https://www.bls.gov/news.release/pdf/cpi.pdf)
- [2026-09-11] The 12-month analysis table shows OER's 12-month percent change has been essentially flat around 3.0-3.1% for months (S-Mar.2026 3.1 — i.e., the smallest 12-month change since March 2026 was still 3.1%), underscoring a very low-volatility, persistently positive trend rather than a series prone to sudden reversals. (https://www.bls.gov/news.release/pdf/cpi.pdf)
- [Historical pattern, multiple months in 2026] Looking at the sequence of NSA index point increases: Apr→May +1.22, May→Jun +1.01, Jun→Jul +1.14, Jul→Aug +1.14. The "base rate" month-over-month increase has clustered tightly around 1.0–1.2 index points, essentially never below 1.0 or above 1.3 in the months reviewed. (https://fred.stlouisfed.org/series/CUUR0000SEHC)
- [2026-09-11] BLS confirms the September 2026 CPI release (which will contain the relevant data point) is scheduled for October 14, 2026 — after the market's close, so the outcome will be determined by the official print with no interim data revisions expected before resolution. (https://www.bls.gov/news.release/pdf/cpi.pdf)
- [Base-rate calculation] The market threshold, 444.8, is 1.158 points above the August level of 443.642. Given that the trailing four-month average monthly NSA increase is almost exactly ~1.15 points (range 1.01–1.22), the threshold sits almost exactly at the trend-implied midpoint — historically, roughly half of recent months' increases have exceeded 1.15–1.16 points and half have fallen short, making this a close-to-toss-up outcome purely from extrapolating the recent base rate, before considering any newer information.
- [No official third-party forecast found] No published survey-based or prediction-market forecast specifically targeting the September 2026 OER NSA index level was found in available sources; commercial forecasting sites (Moody's/economy.com) provide only general commentary and no found NSA OER point forecast for September 2026. (https://www.economy.com/united-states/cpi-urban-consumer-owners-equivalent-rent-of-residences/not-seasonally-adjusted)
BOTTOM LINE: The historical base rate strongly favors continued month-over-month increases in NSA OER (five consecutive months of gains averaging ~1.0–1.2 index points with essentially zero incidence of declines or plateaus in the reviewed period), but the specific threshold of 444.8 requires an increase almost exactly equal to the recent average (~1.16 points), making this a near coin-flip purely on trend extrapolation rather than a high-confidence Yes or No based on outside-view seasonality/momentum alone.
NOT FOUND: No explicit market-based (Kalshi, Polymarket, or other) historical odds for this specific contract; no economist consensus/"nowcast" point estimate specifically for September 2026 NSA OER; no confirmation of whether any seasonal factors make September specifically prone to larger or smaller increases than the recent four-month average.
report: yes case
- [2026-09-11] BLS's August 2026 CPI release confirms the September 2026 CPI report (which will contain the September OER reading in question) is officially scheduled for release on October 14, 2026, before the market's close, guaranteeing resolution will be known in time:
"The Consumer Price Index news release for September 2026 is scheduled to be published on Wednesday, October 14, 2026, at 8:30 a.m."
- [2026-09-11] The national NSA Owners' Equivalent Rent index (CUUR0000SEHC) has been rising steadily and stood at 443.642 in August 2026, per BLS/FRED data: "Aug 2026: 443.642 | Index Dec 1982=100, Not Seasonally Adjusted." (https://fred.stlouisfed.org/series/CUUR0000SEHC)
- [2026-09-11] The same FRED series shows the five most recent monthly NSA OER levels: Jul 2026: 442.503, Jun 2026: 441.365, May 2026: 440.357, Apr 2026: 439.137, in addition to Aug 2026's 443.642 (https://fred.stlouisfed.org/series/CUUR0000SEHC). Computing month-over-month point gains from these levels: Apr→May +1.22, May→Jun +1.01, Jun→Jul +1.14, Jul→Aug +1.14 — a consistent ~1.0–1.2 point monthly rise.
- [2026-09-11] BLS's national CPI summary confirms OER has kept rising every recent month at the seasonally-adjusted level too:
"The index for owners' equivalent rent rose 0.2 percent in August as did the index for rent."
- [2026-09-11] Shelter/OER inflation has not decelerated to a stall; the broader shelter index is reaccelerating rather than cooling:
"The shelter index rose 0.3 percent in August after rising 0.1 percent in July."
- [2026-09-22] Applying the trailing 4-month average NSA monthly increase (~1.13 points) to the August level of 443.642 projects a September index of roughly 444.7–444.9 — meaning even a continuation of the recent, unremarkable monthly pace (let alone any acceleration, which occurred from June→July and July→August) is sufficient to push the index above the 444.8 threshold.
- [2026-09-11] Independent housing-industry analysis corroborates that OER momentum remained positive and did not reverse in the latest report:
"The index for shelter, which makes up more than 40% of the “core” CPI, rose by 0.3% in August, following a 0.1% increase last month. Both the index for owners’ equivalent rent (OER) and rent of primary residence (RPR) increased by 0.2% over the month."
- [2026-09-11] Year-over-year, all-items inflation held steady at an elevated pace, providing a macro backdrop consistent with continued shelter/OER increases rather than a sudden slowdown:
"The Consumer Price Index for All Urban Consumers (CPI-U) increased 3.4 percent over the last 12 months to an index level of 334.980 (1982-84=100)."
- [2026-09-11] Regional data (New York) shows OER increases continuing in the same August report, reinforcing that the upward OER trend is broad-based across regions, not a one-off national anomaly:
"Shelter prices were up 0.3 percent, with increases for owners' equivalent rent (+0.3 percent), rent of primary residence (+0.1 percent), and lodging away from home."
BOTTOM LINE: The NSA OER index has climbed by roughly 1.0–1.2 index points every month for the past four months (439.1→443.6 from April to August 2026), and even a repeat of August's own 1.14-point gain would push September's level to about 444.8, right at or just above the threshold — so a YES resolution requires only that the recent, persistent OER uptrend continue at its normal pace or mildly accelerate (as it already did from June to August), not that anything unusual happen.
NOT FOUND: An official BLS or private "nowcast"/forecast specifically for the September 2026 OER print (the September data won't be collected/finalized until the October 14, 2026 release), and no explicit seasonal factor showing whether NSA OER typically decelerates from August to September in prior years' data.
report: no case
- [2026-09-11] BLS's August 2026 CPI release reports the NSA Owners' Equivalent Rent of Residences index at **443.642** (Dec 1982=100 base), up from 442.503 in July — a month-over-month increase of only about 0.26%.
Owners' equivalent rent of residences... 25.918 ... 3.1 0.3 0.2 0.3 0.2
and the underlying unadjusted index level of 443.642 was confirmed directly in Table 1 of the BLS press release PDF (https://www.bls.gov/news.release/pdf/cpi.pdf).
- [2026-09-11] On a seasonally-adjusted basis, OER rose just 0.2% in August, matching July's pace — both notably below the 0.3% monthly gains recorded from February through May 2026.
The shelter index increased 0.3 percent over the month after rising 0.1 percent in July. The index for owners' equivalent rent rose 0.2 percent in August as did the index for rent.
This deceleration in shelter/OER momentum argues against an above-trend jump strong enough to clear 444.8.
- [2026-09-11] The 12-month OER increase has been essentially flat at 3.0–3.2% since March 2026 (Table 7 shows Aug 2026 12-month change of 3.1%, matching the level "since March 2026"), indicating no acceleration that would push September's monthly gain meaningfully higher than August's ~0.26% (https://www.bls.gov/news.release/pdf/cpi.pdf).
- [2026-09-11] Arithmetic check: to exceed 444.8 from the August base of 443.642 requires a month-over-month rise of at least ~0.26%. Recent monthly increases have clustered at 0.2%–0.3%, meaning a continuation of the *lower* end of this range (0.2%, consistent with July and August's seasonally adjusted pace) would produce an index of roughly 444.5, which falls short of 444.8 — a genuine possibility given the recent deceleration.
- [2026-09-11] BLS states the Consumer Price Index news release for September 2026 is scheduled for **Wednesday, October 14, 2026, at 8:30 a.m. ET**
The Consumer Price Index news release for September 2026 is scheduled to be published on Wednesday, October 14, 2026, at 8:30 a.m.
— the same calendar day the market closes, leaving no buffer if the release is delayed for any reason.
- [2025-09 to 2025-11] There is a recent, concrete precedent for CPI disruption: BLS's own August 2026 release notes
NOTE: The Oct and Nov 2025 data values are not available due to the 2025 lapse in appropriations.
(from the August 2026 CPI PDF), confirming that a government shutdown previously forced BLS to skip data collection and delay/omit CPI publication entirely — a "what has failed before" precedent directly relevant to whether the September 2026 release could be delayed past October 14.
- [2026-09-02] However, the acute shutdown risk for the immediate window has been reduced: Congress passed and the President signed a continuing resolution funding the government through December 11, 2026, averting the October 1, 2026 shutdown that many analysts had expected.
President Trump signed a stopgap spending bill into law on September 2, 2026, funding the federal government at current levels through December 11 and averting what would have been a third major shutdown threat at the October 1 fiscal year deadline.
This lowers (but does not eliminate) the chance that the October 14 BLS release itself is disrupted before the market's close.
- [2026-08-06] Even with the CR in place, government funding remains fragile heading into a lame-duck session, with government shutdown watchers noting the same dynamics — narrow majorities and election-driven brinkmanship — that produced the record 43-day shutdown a year earlier.
Given how closely this year's continuing resolution mirrors the dynamics that led to last year's 43-day shutdown — narrow majorities, competing chamber priorities, and election-driven incentives — government funding watchers widely expect December to bring another round of tense negotiations
— this is after the relevant October 14 CPI release date, so it is not a direct threat to this specific print, but underscores the BLS's demonstrated vulnerability to political dysfunction.
- [2026-09-22] Regional data corroborate a moderating OER trend: the New York regional CPI release for August 2026 shows owners' equivalent rent up 4.9% year-over-year, a level consistent with gradual deceleration rather than acceleration in shelter costs nationally.
A 4.4-percent rise in shelter prices included increases in owners' equivalent rent (+4.9 percent) and rent of primary residence (+4.0 percent).
- [2026-09-11] Housing economists tracking the same August data describe rent inflation as still positive but modest, not accelerating:
The index for shelter, which makes up more than 40% of the "core" CPI, rose by 0.3% in August, following a 0.1% increase last month. Both the index for owners' equivalent rent (OER) and rent of primary residence (RPR) increased by 0.2% over the month.
This supports a base case of continued modest (0.2%-ish) monthly OER growth rather than a jump large enough to comfortably clear the 444.8 threshold.
BOTTOM LINE: The August 2026 NSA OER index (443.642) sits just below the 444.8 threshold, and recent monthly OER gains have decelerated to roughly 0.2%–0.3%, putting September's outcome on a razor's edge — a continuation of the lower end of the recent pace (0.2%) would land the index around 444.5, short of resolution to Yes, while the report's scheduled October 14 release date (same day as market close) leaves no margin for any data-availability disruption, a risk made concrete by the 2025 shutdown-driven CPI data gap, even though the immediate government-shutdown threat has for now been averted through a CR to December 11.
NOT FOUND: No explicit market-consensus or analyst forecast for the September 2026 OER print specifically; no confirmation of the exact NSA OER print above/below 444.8, since that data will not be published until October 14, 2026.
3. Forecasters 5 draws · Fable 5.1 + GPT-5.6 Sol · plain mean
claude-fable-5-1
45% conf
| Yes | 47% |
| No | 53% |
(0) Not resolved: BLS series CUUR0000SEHC shows August 2026 NSA OER = 443.642 and September is blank; resolution requires the Oct 14 CPI release (8:30 ET), which coincides with market close, and the CR through Dec 11 makes a shutdown delay unlikely. (a) ~22 days to close. (b) Status quo trend: the index needs +1.158 pts (+0.261%) m/m; trailing four NSA gains were +1.22, +1.01, +1.14, +1.14 — the threshold sits essentially at the trend midpoint, consistent with Kalshi's 50% anchor. (c) NO scenario: the seasonal-factor math (Aug NSA/SA ratio 0.99984 vs Sep ~1.00026 implies NSA ≈ SA +0.04%) means SA OER must rise ≥~0.22%; the latest SA print was only 0.186% (Jul→Aug, smallest since June) and Sep 2025's NSA gain was a weak +0.20%, so a repeat of August's pace lands ~444.7, just short. (d) YES scenario: SA OER reverts to the 0.24–0.30% pace seen in May–July (Jun→Jul SA was +0.26%), giving NSA ~+0.29% → ~444.9. The 3.1% y/y run rate implies ~0.255%/month, almost exactly the required 0.261%, so this is a genuine coin flip; I tilt slightly toward NO because of the most recent deceleration and the weak Sep-2025 seasonal precedent, but not far from the market's 50%.
claude-fable-5-1
47% conf
| Yes | 52% |
| No | 48% |
(0) Not resolved: the resolution source (BLS CUUR0000SEHC) shows August 2026 = 443.642 with September blank; the September print arrives October 14, 2026 at 8:30 ET, the same day trading closes. (a) ~22 days remain, and the resolving release lands just before close. (b) Status quo: the index must rise +1.158 points (+0.261%) in one month; the trailing four NSA monthly gains were +1.22, +1.01, +1.14, +1.14, so the threshold sits almost exactly at the recent trend midpoint. (c) NO scenario: SA OER prints another soft ~0.2% (as in July/August, 0.19% SA in August) with a small September seasonal add-on, landing NSA ~444.5–444.7; alternatively a delayed release, though the CR through Dec 11 makes that a small tail. (d) YES scenario: September's NSA seasonal factor is modestly positive (in Sept 2025 NSA +0.20% vs SA ~0.1%; in Aug 2026 NSA 0.257% vs SA 0.186%), so a routine 0.2–0.25% SA print translates to ~0.27–0.33% NSA, clearing 444.8; also the weak Sept 2025 base (+0.2% NSA) means a normal month lifts y/y to ~3.15%, implying ~444.8–444.9. The code_execution tool's 3–4% estimate used a wrong (illustrative) starting level and should be disregarded; the BLS-confirmed August level places the gap at trend. Anchoring on Kalshi's 50% and tilting marginally for the positive September seasonal factor and base effect, I price YES at 0.52.
claude-fable-5-1
50% conf
| Yes | 48% |
| No | 52% |
(0) Not resolved: the resolution source (BLS CUUR0000SEHC) shows August 2026 NSA OER = 443.642 with September blank; the September print comes out Oct 14, 2026 at 8:30 ET, the same day trading closes. (a) ~22 days remain until release/close. (b) Status quo: YES needs a Sept NSA gain of ≥1.158 points (≥0.261% m/m); recent NSA gains were 1.22, 1.01, 1.14, 1.14 points (0.23–0.28%), so the threshold sits almost exactly at the trailing mean—a genuine toss-up. (c) NO scenario: the SA August OER rose only ~0.19% (weakest of the year) and September 2025 NSA was a soft +0.20% (430.387→431.245); a repeat of 0.2–0.25% lands the index at ~444.5–444.75, just below 444.8, or a release delay past close. (d) YES scenario: a return to the ~0.3% pace seen in June/July, plus any modest September seasonal lift, pushes the index to ~444.9–445.0; note that because Sept 2025 was soft, YoY only needs to tick from 3.08% to ~3.14% for YES. The Kalshi anchor is 50% (range 48–50%), and nothing in the research is unpriced; I tilt marginally to NO on the August SA deceleration and the same-day release risk, landing at 48% YES.
gpt-5.6-sol
62% conf
| Yes | 46% |
| No | 54% |
(0) The condition is not already resolved: BLS series CUUR0000SEHC reports August at 443.642, while the September observation remains unavailable until the scheduled October 14 release. (a) There are 22 days until the October 14 market close, with the report scheduled for 8:30 a.m. ET that day, apparently one minute after the stated 12:29 UTC close, though resolution can still use the subsequently published figure. (b) The status-quo trend is finely balanced: exceeding 444.8 requires a gain greater than 1.158 points, versus recent monthly gains of 1.220, 1.008, 1.138, and 1.139 points. (c) A No results if the recent 0.2% seasonally adjusted pace persists and the NSA index gains roughly 0.9-1.1 points, producing a September reading around 444.5-444.7. (d) A Yes results if September's NSA increase modestly exceeds the last two months' gains, potentially aided by September seasonality, lifting the index above 444.8. I anchor on Kalshi's 50% Yes price but move slightly toward No because only one of the last four point increases clearly exceeded the required gain and August's seasonally adjusted OER increase was just 0.2%; the lack of a September-specific forecast or robust seasonal analysis prevents a larger adjustment.
gpt-5.6-sol
68% conf
| Yes | 46% |
| No | 54% |
(0) The condition is not already met: BLS series CUUR0000SEHC currently ends at August 2026's 443.642, while September is blank and scheduled for release on October 14. (a) There are 22 days until that release and the market's October 14 close, when BLS must report a September value above 444.8 for Yes. (b) The status quo is No because the latest official index is below the threshold and no qualifying September observation has yet been published. (c) No results if September gains around 0.2%, producing roughly 444.5, or if it repeats the recent average point increase of about 1.13 and lands near 444.77. (d) Yes results if the index rises more than 1.158 points, about 0.261%, which requires only a marginal acceleration from August's 1.139-point gain and remains consistent with the recent 1.0-1.2-point range. I anchor near Kalshi's 50% Yes price but move modestly toward No because only one of the last four observed monthly point increases exceeded the required gain, the four-month average falls slightly short, and August's seasonally adjusted OER increase was only 0.2%.
4. Final plain mean of 5 draws
48%
(54% confidence)
Yes: 48%
No: 52%
Mean of 5 draws (0.47, 0.52, 0.48, 0.46, 0.46). (0) Not resolved: BLS series CUUR0000SEHC shows August 2026 NSA OER = 443.642 and September is blank; resolution requires the Oct 14 CPI release (8:30 ET), which coincides with market close, and the CR through Dec 11 makes a shutdown delay unlikely. (a) ~22 days to close. (b) Status quo trend: the index needs +1.158 pts (+0.261%) m/m; trailing four NSA gains were +1.22, +1.01, +1.14, +1.14 — the threshold sits essentially at the trend midpoint, consistent with Kalshi's 50% anchor. (c) NO scenario: the seasonal-factor math (Aug NSA/SA ratio 0.99984 vs Sep ~1.00026 implies NSA ≈ SA +0.04%) means SA OER must rise ≥~0.22%; the latest SA print was only 0.186% (Jul→Aug, smallest since June) and Sep 2025's NSA gain was a weak +0.20%, so a repeat of August's pace lands ~444.7, just short. (d) YES scenario: SA OER reverts to the 0.24–0.30% pace seen in May–July (Jun→Jul SA was +0.26%), giving NSA ~+0.29% → ~444.9. The 3.1% y/y run rate implies ~0.255%/month, almost exactly the required 0.261%, so this is a genuine coin flip; I tilt slightly toward NO because of the most recent deceleration and the weak Sep-2025 seasonal precedent, but not far from the market's 50%.
5. Entry Decision Fable 5.1 trader
Side
no
Position Size
$500
Contracts
1020
Trader Confidence
Trade rationale
The forecast (47.8%) sits on the opposite side of 50% from the market (52%), so this is a bet against a weak favourite in the 0.50-0.60 band, where the book's record is modestly positive (4/2, +$1,586). The edge of 4.2% is small but clears the 3% floor, and the rationale is concrete rather than generic: the seasonal-factor arithmetic requires SA OER to rise ≥0.22% m/m, while the latest Jul→Aug SA print was only 0.186% (smallest since June) and the Sep-2025 NSA gain was a weak +0.20% — a repeat of August's pace lands at ~444.7, just under the 444.8 threshold. The ensemble is tight (46-52%, 6pp spread) with no draw far above the market, and the Devil's Advocate raised no structural issues. Liquidity is fine (13k contracts, $0.01 spread) and resolution is a clean BLS print in 22 days with low shutdown risk. Forecaster confidence of 0.54 is middling and consistent with the self-described coin-flip; it doesn't argue for going bigger.
Allocation logic
Weak 4.2% edge on an admitted near-coin-flip macro print argues for the minimum $500; the concrete recent-deceleration evidence justifies entering at all, but not sizing above the floor.
Entry price:
$0.49
Current:
-
Status:
LOST
P&L:
-$517.86
Pipeline Timing
Total pipeline time: 135.1s
Per-tool research timings shown in the Research section above.