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US recession by end of 2026?

polymarketEconomics·2026-10-13·view on polymarket ↗
4%
Agent
8%
Market Price
-4.0%
Edge
80%
Confidence
2,299,052
Volume
1.0c
Spread
109
Days to resolution
1
Markets in event
final rationale
Mean of 2 draws (0.04, 0.03). (0) The condition is not met yet. BEA and FRED show every quarter from Q2 2025 through Q2 2026 positive (+4.0, +3.9, +0.2, +2.5, +2.2), and NBER still lists February 2020 as its latest peak. Because Q2 2026 is positive, the GDP route now needs both Q3 and Q4 2026 to print negative. Revising Q4 2025 (+0.2) below zero would not help, since Q1 2026 at +2.5 breaks any pair. (a) About 3.5 months remain. The Q3 advance estimate comes Oct 29, 2026 and the Q4 advance estimate Jan 28, 2027, which is the resolution point. (b) If nothing changes, the market resolves No. (c) The likely No path: Q3 prints near the GDPNow nowcast of +3.6%, consistent with ISM manufacturing at 54.5 and services at 54.9 and jobless claims near 198k. Q4 stays positive and NBER makes no call. (d) The Yes path: a trade or inventory swing makes Q3 negative, against the Philly Fed SPF's 13% chance of a negative Q3 (an older reading taken before the nowcasts firmed up). Then an inventory reversal, an oil-volume shock or a shutdown distortion turns Q4 negative as well. A second route is a historically unprecedented early NBER call. Each step is a tail event, and together they are roughly 2–4%. The Polymarket anchor is 7.5%, and Kalshi was reported near 3.5% for a GDP-only version. I shade below Polymarket because its price likely carries longshot bias given how little room remains for a Yes. I keep some weight for weak payrolls (+29k in September) and hot inflation.
price vs. prediction
market price agent forecast at t+0
6 follow-ups
re-scan context
This market has been scanned before. Previous predictions:
datepredictedmarket priceconfidence
2026-10-03 6% 8% 80%
2026-09-15 7% 12% 74%
2026-09-06 6% 8% 73%
1. Planner Opus 5.5 · picks the research tools
Tools chosen: polymarket_direct resolution_source fred kalshi_related polymarket_related
Planner reasoning
Today is Oct 2026, so most of the quarterly GDP prints in the window are already out. FRED real GDP growth (A191RL1Q225SBEA, GDPC1) plus labor-market and Sahm-rule series show whether two negative quarters have happened and how likely a negative Q3/Q4 2026 is. The Polymarket price is the anchor, the BEA page is the resolution source, and Kalshi recession and GDP markets serve as cross-venue checks.
2. Research parallel tool calls + 4 web research loops (Sonnet 5.5) · 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 - polymarket_direct: ## This Market's Polymarket Data **US recession by end of 2026?** - Current price (probability): 7.50% (live; bid 7% / ask 8%) - 7-day price change: +1.00% - 30-day price change: -2.00% - Total volume: $2,299,052 (USD notional) - Price range: 6.50% - 16.50% - Data points: 90 days - resolution_source: already_resolved=unclear; matches_criteria=True; last_updated=BEA page last modified 10/2/26 (current release September 30, 2026; next release October 29, 2026); NBER page published 2026-06-23. The BEA GDP page (current release Sept 30, 2026) puts Q2 2026 real GDP at +2.2% (third estimate) and Q1 2026 at +2.5%. FRED's mirror of the BEA series shows Q2 2025 +4.0%, Q3 2025 +3.9% and Q4 2025 +0.2%, s - fred: Fetched 6 FRED series (lookback=730d). - kalshi_related: 1 related markets / summaries. series KXRECSSNBER: 0 markets (skipped 2 no-signal) | series KXGDP: 0 markets (skipped 36 no-signal) | keyword 'recession': no matches | keyword 'GDP': ok - polymarket_related: Polymarket search over 2 keyword(s), kept 8 matches. keyword 'recession': 3 markets | keyword 'GDP growth Q3 2026': 5 markets Research loops, bottom lines - current state: The resolution source currently shows no negative GDP quarters. Q1 and Q2 2026 were +2.5% and +2.2%, and the Q3 nowcast is about +3.6%. Condition 1 would need both Q3 and Q4 2026 to print negative, and the Q3 nowcast points the other way. Condition 2 (an NBER announcement) is very unlikely by late Jan 2027. The one soft spot is the labor market (September payrolls +29k, unemployment 4.2%), but claims are low. - base rate: Outside-view evidence points strongly to No. Q1 and Q2 2026 GDP were positive (+2.5% and +2.2%), and Q3 nowcasts are about +3.6%. Condition 1 would need two negative quarters, and the only quarter left that could start that pair is Q3, which looks strongly positive. An NBER call by late January 2027 would be historically unprecedented absent a collapse. Other prediction markets sit around 3–7%, while survey recession odds of about 24–35% are for the next 12 months and not for this window. - yes case: The most plausible YES path is a negative Q3 print on Oct 29, driven by trade or inventory swings against a Q3 nowcast of roughly +1.5% to +3.6%, followed by a Q4 contraction from an oil-volume shock, consumer weakness or a shutdown distortion. Each step is a tail event, and I found no data pointing to that sequence. An NBER declaration by late January 2027 has no supporting evidence. - no case: For YES, Q3 2026 would need to print negative on Oct 29 (nowcast +3.6%, ISM readings in expansion) and Q4 2026 also negative on Jan 28, 2027, or the NBER would need an unprecedentedly quick call. Every past path to two negative quarters or a rapid NBER call needed a collapse that the September data do not show.
tools
toolstatustimeitemssummary
polymarket_direct OK 0.3s 1 ## This Market's Polymarket Data **US recession by end of 2026?** - Current price (probability): 7.50% (live; bid 7% / ask 8%) - 7-day price change: +1.00% - 30-day price change: -2.00% - Total volume: $2,299,052 (USD notional) - Price range: 6.50% - 16.50% - Data points: 90 days
resolution_source OK 21.1s 1 already_resolved=unclear; matches_criteria=True; last_updated=BEA page last modified 10/2/26 (current release September 30, 2026; next release October 29, 2026); NBER page published 2026-06-23. The BEA GDP page (current release Sept 30, 2026) puts Q2 2026 real GDP at +2.2% (third estimate) and Q1 20
fred OK 3.7s 6 Fetched 6 FRED series (lookback=730d).
kalshi_related OK 5.6s 1 1 related markets / summaries. series KXRECSSNBER: 0 markets (skipped 2 no-signal) | series KXGDP: 0 markets (skipped 36 no-signal) | keyword 'recession': no matches | keyword 'GDP': ok
polymarket_related OK 0.8s 8 Polymarket search over 2 keyword(s), kept 8 matches. keyword 'recession': 3 markets | keyword 'GDP growth Q3 2026': 5 markets
research loops · 4/4 ok · 17 searches · 4 page reads
dimensionstatustimesearchespage readsreport
current state OK 20s 5 0 4598 chars
base rate OK 19s 4 2 4948 chars
yes case OK 44s 4 0 5051 chars
no case OK 23s 4 2 5676 chars
report: current state
- [2026-09-30] BEA third estimate: real GDP rose 2.2% annualized in Q2 2026, revised up 0.7 pt from the 1.5% advance and second estimates. Q1 2026 was revised to +2.5%. Real GDI rose 2.6%. Real final sales to private domestic purchasers rose 4.6%. https://www.bea.gov/news/2026/gdp-third-estimate-industries-corporate-profits-state-gdp-and-state-personal-income-2nd - [2026-09-30] BEA's quarterly GDP releases show Q1 and Q2 2026 positive, so condition 1 (two consecutive negative quarters in Q2 2025–Q4 2026) is not met so far for those quarters. I did not fetch BEA's 2025 quarterly figures (Q2–Q4 2025). Q4 2025 and 2026 Q1 were previously reported positive in the searches I ran. For condition 1 to trigger, Q3 and Q4 2026 would both need to print negative. https://www.bea.gov/data/gdp/gdp-industry - [2026-10-08] Atlanta Fed GDPNow for Q3 2026 is 3.6%, down from 3.7% on Oct 6. The estimate was 5.0% on Sep 25 and 5.1% on Sep 17. Inventory investment contributes about +1.98 pt and net exports about -2.7 pt. Next update is Oct 15. https://www.atlantafed.org/research-and-data/data/gdpnow/current-and-past-gdpnow-commentaries - [2026-10-02] September jobs report: payrolls +29k versus roughly 84–90k expected. Unemployment rose to 4.2% from 4.1%. July was revised to -10k and August to +133k, a combined -60k. Private payrolls were +46k and government -17k. https://www.foxbusiness.com/economy/us-jobs-report-september-2026 - [2026-10-02] Unemployment has stayed in a 4.1%–4.3% range since March. Labor force participation was 61.8%. Payroll growth averaged about 51k per month for Jul–Sep. https://www.usbank.com/investing/financial-perspectives/market-news/effect-of-job-market-on-the-economy.html - [2026-10-13] Layoffs are low. Initial jobless claims were 197k for the week to Oct 3, and the four-week average of 198k is the lowest since autumn 2022. Continuing claims were 1.716M. Challenger job cuts were down 39% year to date. Next claims release is Oct 15. https://admiralmarkets.com/analytics/traders-blog/us-initial-jobless-claims-forecast-15-october-2026 - [2026-10-11] The WSJ October economist survey gave an average 24% probability of recession within 12 months. Bond yields have risen on improving growth and new inflation pressure. (Secondary summary.) https://economicgreenfield.com/2026/10/11/the-october-2026-wall-street-journal-economic-forecast-survey - [2026-09-30] Inflation is hot. The Q2 PCE price index rose 5.0% annualized and core PCE 3.3%. An Iran conflict and oil price surge were cited earlier in 2026. https://fedpolicy.org/releases/2026-09-30/gdp-q2-2026-third/ - [2026-10-02] Fed-funds markets priced about an 85% chance the Fed holds in October after the jobs report (Kalshi, via ForexFactory/Walter Bloomberg, unverified). Swaps no longer priced a rate hike this year. https://www.forexfactory.com/news/1429690-the-us-employment-situation-september-2026 - [Spring 2026] Earlier recession-probability estimates, now stale: Goldman 30%, JPMorgan 35%, Moody's near 50% (Forbes, 2026-04-14). Those were after the Iran war oil shock. Data since then (Q2 revised up, Q3 nowcast about 3.6%) has been firmer. https://www.forbes.com/sites/boazsobrado/2026/04/14/recession-shock-polymarket-bettors-wager-13m-on-us-downturn/ - [Scheduled] BEA's next release is Dec 23, 2026, the GDP by industry release with the Q3 third estimate. The Q3 2026 advance estimate is due around late Oct. The Q4 2026 advance estimate is due around late Jan 2027, which sets the question's resolution point. I did not confirm the exact dates on BEA's schedule page. https://www.bea.gov/data/gdp/gdp-industry - [2026-10-13] No NBER announcement of a recession was found. NBER normally dates recessions many months after the fact, so a declaration by the Q4 advance release (about late Jan 2027) is very unlikely unless a severe downturn is already underway. BOTTOM LINE: The resolution source currently shows no negative GDP quarters. Q1 and Q2 2026 were +2.5% and +2.2%, and the Q3 nowcast is about +3.6%. Condition 1 would need both Q3 and Q4 2026 to print negative, and the Q3 nowcast points the other way. Condition 2 (an NBER announcement) is very unlikely by late Jan 2027. The one soft spot is the labor market (September payrolls +29k, unemployment 4.2%), but claims are low. NOT FOUND: BEA's confirmed Q3 2026 advance release date. Q2–Q4 2025 quarterly GDP figures, which I did not re-verify on BEA's site. Any NBER statement on a 2025–26 recession. Current Wall Street recession probabilities dated within the last 30 days, other than the WSJ survey. Fed's October meeting date.
report: base rate
- [2026-09-30] BEA's third estimate puts Q2 2026 real GDP at +2.2% annualized (advance and second estimates were 1.5%). Q1 2026 was revised to +2.5%. Real final sales to private domestic purchasers rose 4.6%. This follows the annual update, which revised data back to 2021. Q2 2025 and Q3 2025 are not shown on the page I read, so I can't confirm that no earlier negative quarter remains in the window. https://www.bea.gov/news/2026/gdp-third-estimate-industries-corporate-profits-state-gdp-and-state-personal-income-2nd - [2026-10-08] Atlanta Fed GDPNow for Q3 2026 is +3.6%, down from 3.7% on Oct 6. It was 5.0–5.1% in September. Inventory investment contributes about 2 points and net exports subtract about 2.7. The BEA advance Q3 estimate is due in late October, but I did not confirm the date. Condition 1 needs two consecutive negative quarters, so Q3 and Q4 2026 would both have to be negative, since Q2 2026 is positive. https://tradingeconomics.com/united-states/gdpnow - [2026-10-11] The WSJ survey of 71 economists (fielded Oct 2–7) averaged 24% for a recession within the next 12 months. The range was 1% to 80%, and the July survey averaged 25%. Average forecasts are full-year 2026 GDP +2.42% and a December 2026 unemployment rate of 4.19%. https://www.economicgreenfield.com/2026/10/11/the-october-2026-wall-street-journal-economic-forecast-survey/ - [2026-10-01] U.S. Bank Economics keeps a 25% probability of recession over the next 12 months. It cites persistent inflation, further Fed tightening, high long rates and AI-capex retrenchment as the risks. https://www.usbank.com/corporate-and-commercial-banking/insights/economy/outlook/monthly.html - [2026-10-12] The Mortgage Bankers Association's chief economist puts 12-month recession odds at about 35%. He cites stretched markets and consumer spending that depends on equity values. https://finance.yahoo.com/real-estate/articles/mortgage-rates-remain-above-7-232348753.html - [2026-10-07] Other venues' markets on the same event: Polymarket about 6.5% and Kalshi about 3.5% for "US recession by end of 2026". The page notes that Kalshi counts only two negative GDP quarters, while Polymarket also counts an NBER call. This is a secondary aggregator, not the contract page. https://polymarkettrader.com/polymarket-vs-kalshi/ - [2026-03-09] Prediction-market history: Polymarket was about 31% in March 2026 when oil topped $100. It was about 8% in September 2025 and 11–13% by July 2026 (secondary report). The market has trended down since the spring. https://www.cnbc.com/2026/03/09/recession-odds-kalshi-oil.html - [2026-09-01] The FRED smoothed recession probability (Chauvet-Piger) was 0.76% for July 2026, from the Sep 1 release. This is a very low reading. https://fred.stlouisfed.org/series/RECPROUSM156N/ - [2026-08-03] A separate Kalshi "recession in 2026" contract traded near 8¢. The article's reasoning is that Q2 2026 was positive, so a YES needs both Q3 and Q4 negative. It also notes the only negative quarter in the window was Q1 2025, bracketed by positive quarters (+3.8% after it). This is a secondary source and the article is about 71 days old. https://www.oddsshopper.com/articles/prediction-markets/recession-2026-model-verdict - [Historical base rate, from general knowledge, not sourced this session] Two consecutive negative real-GDP quarters are rare. They occurred in 1974, 1980, 1981–82, 2008–09 and 2020, and 2022's H1 pair was later revised away. The NBER has never announced a recession within about a year of the end of its first quarter. It declared the 2020 recession in June 2020, four months after the February peak, and the 2008 recession in December 2008. Route 2 would require an NBER announcement before the Q4 2026 advance GDP release (late January 2027). That would need a peak around mid-2026 or earlier, and I found no evidence of one. - [2026-01-01] Early-2026 forecaster recession odds for 2026 were 30–42%: Moody's about 42%, J.P. Morgan 35%, RSM 30% and Bloomberg's survey 30%. Those forecasts have not been borne out, since Q1 and Q2 2026 were positive. This is a data point on how forecasters overestimated recession risk in 2025–26. https://www.bloomberg.com/features/2025-us-recession-risk/ BOTTOM LINE: Outside-view evidence points strongly to No. Q1 and Q2 2026 GDP were positive (+2.5% and +2.2%), and Q3 nowcasts are about +3.6%. Condition 1 would need two negative quarters, and the only quarter left that could start that pair is Q3, which looks strongly positive. An NBER call by late January 2027 would be historically unprecedented absent a collapse. Other prediction markets sit around 3–7%, while survey recession odds of about 24–35% are for the next 12 months and not for this window. NOT FOUND: I did not retrieve the BEA's Q3 2026 advance release date, the quarterly 2025 GDP history on a BEA page, or any NBER statement on a 2025–26 recession. I did not look for this contract's own price, as instructed.
report: yes case
YES means: the US meets either test between now and the Q4 2026 advance GDP release. Test 1 is two consecutive negative real-GDP quarters (annualized, per BEA) within Q2 2025–Q4 2026. Test 2 is an NBER announcement that a recession occurred in 2025 or 2026. - [2026-09-30] Condition 1 requires Q3 and Q4 2026 to both print below zero. BEA's third estimate shows Q2 2026 at +2.2%, which is only 0.6% at a quarterly rate. The gain rests on consumer, investment and export contributions. Real final sales to private domestic purchasers rose 4.6%. The headline carried a drag: imports subtracted from GDP. https://www.bea.gov/sites/default/files/2026-09/gdp2q26-3rd.pdf - [2026-10-29] The Q3 2026 advance estimate is confirmed for Oct 29 at 8:30 EDT. BEA's schedule then lists Dec 23 for the Q3 third estimate. The Q4 advance estimate, which ends this market, is expected in late January 2027 (not confirmed). Q3 could therefore print negative on Oct 29 and be revised later. https://www.bea.gov/news/schedule - [2026-10-11] The weakest Q3 forecast I found is Atlas Analytics at +1.5% annualized (satellite-based, small sample, Q1/Q2 errors of 0.4 and 0.3 pt). It has net exports at −1.5 pt and inventories at +0.5 pt. It says August imports hit record levels. Even this bearish read is positive, and the GDPNow reading is +3.6%. The mechanism for a YES is a trade or inventory swing larger than the nowcasts assume. Net exports are −2.7 pt in GDPNow, and inventories add about +2 pt, which is a large share of that headline. https://atlasanalytics.info/p/atlas-analytics-forecasts-15-us-gdp - [2026-08-?? (Q3 SPF)] The Philadelphia Fed's Q3 2026 SPF puts the chance of a negative Q3 at 13.3%. That is down from 25.1% in the prior survey, and the panelists also cut their odds for the following three quarters. This shows professional forecasters see a non-trivial but falling tail on Q3. The Philly Fed page is about 60 days old. https://www.philadelphiafed.org/surveys-and-data/real-time-data-research/spf-q3-2026 - [2026-09-30 / Q4 2025] Weak prints already happen in this expansion without a recession. Q4 2025 slowed to roughly 1.4% because the 43-day shutdown took 1.15 pt off growth (Federated Hermes, Feb 2026). CBO-type shutdown effects shift growth between quarters. An October 2026 lapse in appropriations notice appears on some cached BEA pages, but I could not confirm it is a current shutdown. This is a possible timing distortion for Q4 2026, not a confirmed one. https://www.federatedhermes.com/us/insights/article/government-shutdown-masks-solid-gdp-growth.do - [2025 Q1–Q2] The only negative quarter in the window is Q1 2025 at −0.6% (revised). It was followed by Q2 2025 at +3.8%. So no negative quarter is "banked", and YES needs two fresh negatives. https://bea.gov/taxonomy/term/796?page=1 - [2026-10-12] France contracted 0.2% in Q1, was flat in Q2 and is forecast at only +0.1% in Q3 2026, with the Banque de France citing the energy shock from the Middle East conflict. Weak foreign demand would hurt US exports. This is a small, indirect channel and does not point to US contraction. https://eurasiabusinessnews.com/2026/10/12/france-growth-outlook-economic-uncertainty-rises-as-gdp-stagnates - [2026-04 Morgan Stanley midyear] Morgan Stanley said a failure of oil shipments to normalize could "spell recession". It described a scenario of oil above $150 a barrel and a shift from a price shock to a volume shock. Its baseline US GDP growth for 2026 was about 2.25%. The path to YES is therefore an oil volume shock that hits Q4 together with a Q3 trade-driven negative. I found no October 2026 evidence that this scenario is under way. https://www.morganstanley.com/Themes/outlooks - [2026-10-02] The labor-market soft spot noted earlier (Sept payrolls +29k) matches RSM's earlier warning that about 50k jobs a month is needed to hold conditions stable. Payroll growth has been below that threshold in recent months. RSM's older outlook already described a 29k-a-month Q3 2025 average, so this weak-jobs pattern is not new. https://rsmus.com/insights/economics/economic-outlook-for-2026.html - [2026-10-12] EY (about Oct 1) expects "very strong" Q3 growth above 4%, then a settling to about 2%. It says household income erosion persists and gains go mostly to profit margins. This points to weak real household income as the thing that could turn consumers negative in Q4. https://www.ey.com/en_us/insights/strategy/macroeconomic/us-gdp BOTTOM LINE: The most plausible YES path is a negative Q3 print on Oct 29, driven by trade or inventory swings against a Q3 nowcast of roughly +1.5% to +3.6%, followed by a Q4 contraction from an oil-volume shock, consumer weakness or a shutdown distortion. Each step is a tail event, and I found no data pointing to that sequence. An NBER declaration by late January 2027 has no supporting evidence. NOT FOUND: Any current evidence of a Q3 forecast below zero. Confirmation of a shutdown in October 2026. The exact Q4 2026 advance release date. Any NBER statement on a 2025–26 recession.
report: no case
YES means: a US recession is established under the contract's rules. Either BEA shows two consecutive negative real GDP quarters (annualized, SAAR) between Q2 2025 and Q4 2026, or NBER publicly announces a recession before the Q4 2026 advance GDP release. - [2026-09-30] The window already has no negative quarter. The FRED/BEA series, updated Sep 30, shows Q2 2025 at +4.0, Q3 2025 at +3.9, Q4 2025 at +0.2, Q1 2026 at +2.5 and Q2 2026 at +2.2. Q4 2025 is the weakest quarter after the annual update, but it is still positive. The only negative quarter in the 2025 data, Q1 2025, falls before the window opens. Condition 1 therefore needs Q3 and Q4 2026 to both print negative. https://fred.stlouisfed.org/series/A191RL1Q225SBEA - [2026-10-12] Deadline arithmetic: BEA's schedule lists the Q3 2026 advance estimate for Oct 29, 2026 and the Q3 third estimate for Dec 23. The 2027 schedule lists the Q4 2026 advance estimate for Jan 28, 2027. That date is confirmed and sets the resolution cutoff, and the market's own text allows the Q4 advance print to count. For a YES, the Q3 advance print on Oct 29 would have to come in negative against a GDPNow of about +3.6%. Q4 would then also have to print negative on Jan 28, from a single advance estimate. https://www.bea.gov/news/schedule/next-year - [2026-10-12] Between the Q3 advance release (Oct 29) and the Q4 advance release (Jan 28, 2027), BEA's only Q3 releases are the Nov 25 second estimate and the Dec 23 third estimate. A Q3 positive on Oct 29 would have to be revised below zero in both of those, which the history of recent revisions makes unlikely. Revisions to Q2 2026 and Q1 2026 were upward (the earlier Sep 30 report), and Q2 2025 was also revised up, from 3.0 to 3.8 and later to 4.0. Revisions in this cycle have mostly pushed growth up. https://www.bea.gov/news/schedule - [2026-09-25] BEA's third estimate of Q2 2025 revised Q2 2025 up to +3.8%, from a 3.3% second estimate, mainly on consumer spending. A pattern of upward revisions to early prints makes a "negative advance, positive later" scenario more likely than the reverse, which helps No. https://www.bea.gov/sites/default/files/2025-09/gdp2q25-3rd.pdf - [2026-10-08] ISM manufacturing PMI for Sep 2026 was 54.5, the ninth straight month of expansion after a 10-month contraction. New orders were 55.3 and backlogs 56.4. ISM says the reading is consistent with about 2.4% real GDP growth. https://economics.td.com/us-ism-manufacturing-index - [2026-10-05] ISM services PMI for Sep 2026 was 54.9, with New Orders at 59.8 and services above 50 all of 2026. Business Activity fell 5.2 points to 56.5, and the Prices index hit a 51-month high of 74.0. Both surveys point to expansion, while the cost pressure is an inflation risk and not yet a contraction signal. https://www.pnc.com/content/dam/pnc-com/pdf/aboutpnc/EconomicReports/EconomicUpdates/2026/PNC_Economics_Research_ISM_Services_5_October_2026.pdf - [2026-07] NBER route: its announcements page lists no new business-cycle declaration since the July 2021 trough call. A third-party tracker states no new peak has been announced as of July 2026. https://www.nber.org/research/business-cycle-dating-committee-announcements and https://whatisarecession.com/nber-definition - [Historical lags] The NBER's own announcement list shows peaks called with long lags. The Dec 2007 peak was announced Dec 1, 2008, 11 months later. The Mar 2001 peak was announced Nov 2001, and the Jul 1990 peak in Apr 1991. The Feb 2020 peak, announced Jun 8, 2020, was the fastest, at about 4 months, in the pandemic collapse. A call before Jan 28, 2027 would need an NBER peak around mid-2026 or earlier, and Q2 2026 +2.2% and Q3 nowcast +3.6% do not look like a peak. Its FAQ says it avoids "premature judgments". https://www.nber.org/research/business-cycle-dating/business-cycle-dating-committee-announcements and https://www.nber.org/news/business-cycle-dating-committee-announcement-july-17-2003 - [1991-04-25] The NBER has said that the "two successive quarters" rule plays no role in its dating. So even a negative Q3 and Q4 pair would not by itself trigger route 2. Route 2 needs a separate NBER announcement, which has historically come only well after the fact. https://www.nber.org/news/business-cycle-dating-committee-announcement-april-25-1991 - [2026-10-08] GDPNow's Q3 +3.6% includes a large inventory contribution (about +2 points, from the Oct 8 report). That inventory build could reverse in Q4 and drag growth. Even so, a Q3 print near +3% gives a large cushion, and Q3 would need an unusually large miss to turn negative. The path to YES needs Q3 to be a big miss, and the evidence runs the other way. https://www.atlantafed.org/research-and-data/data/gdpnow - [2026-10-12] Status-quo inertia: with no negative quarter in the window and no NBER call, nothing needs to happen for the market to resolve No. The resolution texts also say the market stays open until the Q4 advance estimate, so a No resolution would come on or around Jan 28, 2027 if Q3 and Q4 are not both negative. https://www.bea.gov/news/schedule/next-year BOTTOM LINE: For YES, Q3 2026 would need to print negative on Oct 29 (nowcast +3.6%, ISM readings in expansion) and Q4 2026 also negative on Jan 28, 2027, or the NBER would need an unprecedentedly quick call. Every past path to two negative quarters or a rapid NBER call needed a collapse that the September data do not show. NOT FOUND: Any NBER statement on a 2025–26 recession. Another venue's contract price for the window dated within the last week. A Q3 advance consensus forecast beyond GDPNow. A Q4 2026 nowcast, since none exists before the Q3 advance release.
3. Forecasters 2 draws · Opus 5.5 + GPT · plain mean
claude-opus-5-5 · high effort
80% conf
Yes 4%
No 96%
(0) The condition is not met yet. BEA and FRED show every quarter from Q2 2025 through Q2 2026 positive (+4.0, +3.9, +0.2, +2.5, +2.2), and NBER still lists February 2020 as its latest peak. Because Q2 2026 is positive, the GDP route now needs both Q3 and Q4 2026 to print negative. Revising Q4 2025 (+0.2) below zero would not help, since Q1 2026 at +2.5 breaks any pair. (a) About 3.5 months remain. The Q3 advance estimate comes Oct 29, 2026 and the Q4 advance estimate Jan 28, 2027, which is the resolution point. (b) If nothing changes, the market resolves No. (c) The likely No path: Q3 prints near the GDPNow nowcast of +3.6%, consistent with ISM manufacturing at 54.5 and services at 54.9 and jobless claims near 198k. Q4 stays positive and NBER makes no call. (d) The Yes path: a trade or inventory swing makes Q3 negative, against the Philly Fed SPF's 13% chance of a negative Q3 (an older reading taken before the nowcasts firmed up). Then an inventory reversal, an oil-volume shock or a shutdown distortion turns Q4 negative as well. A second route is a historically unprecedented early NBER call. Each step is a tail event, and together they are roughly 2–4%. The Polymarket anchor is 7.5%, and Kalshi was reported near 3.5% for a GDP-only version. I shade below Polymarket because its price likely carries longshot bias given how little room remains for a Yes. I keep some weight for weak payrolls (+29k in September) and hot inflation.
claude-opus-5-5 · high effort
80% conf
Yes 3%
No 97%
(0) Neither condition has been met so far. The BEA page and FRED show every quarter from Q2 2025 through Q2 2026 positive (+4.0, +3.9, +0.2, +2.5, +2.2), and the NBER page still lists Feb/Apr 2020 as the latest peak and trough. Since Q2 2026 is positive, condition 1 now requires both Q3 2026 (advance estimate Oct 29) and Q4 2026 (advance estimate about Jan 28, 2027) to print negative. Condition 2 requires an NBER recession announcement before late January 2027. (a) About 3.5 months remain until the Q4 advance release, which ends the market. (b) If nothing changes, the market resolves No. GDPNow has Q3 at +3.6%, the most bearish nowcast found is +1.5%, both ISM PMIs are around 54–55, and jobless claims are at multi-year lows. (c) No: Q3 prints positive on Oct 29, which is very likely, and the window for condition 1 effectively closes. An NBER call within months of a hypothetical peak would be unprecedented outside 2020. (d) Yes: Q3 misses by roughly 4 points or more because of trade or inventory swings, and then Q4 contracts on an oil volume shock, an inventory unwind or a shutdown distortion. I put a negative Q3 at about 3–4% given the nowcasts, and a negative Q4 conditional on that at perhaps 35%, which compounds to roughly 1–2%. Adding small tails for revisions or a surprise NBER call gives about 2–3%. The Polymarket price of 7.5% looks inflated by longshot bias and the cost of holding No until January. Kalshi's equivalent contract was around 3.5% per a secondary source, so I shade well below the anchor.
4. Final plain mean of 2 draws
4% (80% confidence)
Yes: 4% No: 96%
Mean of 2 draws (0.04, 0.03). (0) The condition is not met yet. BEA and FRED show every quarter from Q2 2025 through Q2 2026 positive (+4.0, +3.9, +0.2, +2.5, +2.2), and NBER still lists February 2020 as its latest peak. Because Q2 2026 is positive, the GDP route now needs both Q3 and Q4 2026 to print negative. Revising Q4 2025 (+0.2) below zero would not help, since Q1 2026 at +2.5 breaks any pair. (a) About 3.5 months remain. The Q3 advance estimate comes Oct 29, 2026 and the Q4 advance estimate Jan 28, 2027, which is the resolution point. (b) If nothing changes, the market resolves No. (c) The likely No path: Q3 prints near the GDPNow nowcast of +3.6%, consistent with ISM manufacturing at 54.5 and services at 54.9 and jobless claims near 198k. Q4 stays positive and NBER makes no call. (d) The Yes path: a trade or inventory swing makes Q3 negative, against the Philly Fed SPF's 13% chance of a negative Q3 (an older reading taken before the nowcasts firmed up). Then an inventory reversal, an oil-volume shock or a shutdown distortion turns Q4 negative as well. A second route is a historically unprecedented early NBER call. Each step is a tail event, and together they are roughly 2–4%. The Polymarket anchor is 7.5%, and Kalshi was reported near 3.5% for a GDP-only version. I shade below Polymarket because its price likely carries longshot bias given how little room remains for a Yes. I keep some weight for weak payrolls (+29k in September) and hot inflation.
Pipeline Timing
Total pipeline time: 74.0s
Per-tool research timings shown in the Research section above.