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Fed rate hike in 2026?

0x80b3af88cb991980e8da1ce86b9794a0957f96ec98c29319dd7ba65e9744d82b · Economics · 2026-08-17
45%
Agent
46%
Market Price
-1.5%
Edge
56%
Confidence
Volume: 7,544,306
Spread: 1.0c
Days to resolution: 113
Markets in event: 1
Final Rationale
Polymarket at ~46.5% is the only live market anchor for this exact cumulative question, and the critique correctly notes that a ~31% single-meeting September probability plus October/November and December meetings compounds to something near or above 45% even with correlation — so shading down to 43% risks double-counting the same bearish signals (holds in June/July, stable breakevens, economist consensus) that the market has already digested during its decline from 76.5%. Offsetting this, the declining price trend, Warsh's reluctance to give hawkish guidance, and the ~27% post-cut-cycle base rate genuinely argue for No, though that base rate deserves discounting given the unprecedented mid-year dot-plot reversal (3.4%→3.75-3.8%) and 9-9 committee split. The live hawkish tails (oil/Iran shock persistence, tariff pass-through, an 'insurance hike' by a new Chair asserting independence) are real but partially priced. I therefore settle essentially at the market, marginally below it: Yes 45%, No 55%.
Price vs. prediction
How the market moved after the agent's call. Solid blue line is the actual market price; dashed line is the agent's static forecast at $t{=}0$.
$n = 17$ follow-ups
Re-scan Context
This market has been scanned before. Previous predictions:
DatePredictedMarket PriceConfidence
2026-08-02 61% 68% 50%
1. Planner Opus · Fermi decomposition + tool plan
Tools chosen: polymarket_direct kalshi_related polymarket_related fred claude_news gdelt_news code_execution
Sub-questions (Fermi decomposition)
  1. What is the current Polymarket YES price and recent price history for 'Fed rate hike in 2026?'
  2. What do Kalshi Fed markets (KXFED / rate-change series) and fed funds futures imply about the probability of any 2026 rate hike versus cuts?
  3. What does the most recent FOMC Summary of Economic Projections (dot plot) show for the end-2026 median fed funds rate relative to the current level?
  4. What is the current trajectory of core PCE/CPI inflation and inflation expectations (T10YIE), and is any FOMC participant projecting a hike?
  5. How does the May 2026 expiration of Powell's chair term and the likely dovish successor affect the chance of tightening in 2026?
  6. What is the historical base rate of the Fed raising rates within a calendar year immediately following a year of rate cuts?
  7. Are there tail scenarios (tariff-driven inflation resurgence, dollar crisis, fiscal shock) that commentators cite as making a 2026 hike plausible?
Planner reasoning
This is a Polymarket question on whether the Fed raises the upper bound of the fed funds target at any 2026 meeting. Base rates for a hike within a calendar year following a cutting cycle are low, so the key evidence is the current market price, fed funds futures/dot plot pricing, inflation trajectory, and FOMC leadership changes (Powell's term ends May 2026). I'll anchor on the Polymarket price, cross-check Kalshi's Fed markets, and pull macro data plus news on FOMC expectations.
2. Research Parallel tool calls
ToolStatusTimeItemsSummary
polymarket_direct OK 0.2s 1 ## This Market's Polymarket Data **Fed rate hike in 2026?** - Current price (probability): 46.50% - 7-day price change: -13.00% - 30-day price change: -7.00% - Total volume: $7,544,120 (USD notional) - Price range: 12.50% - 76.50% - Data points: 118 days
kalshi_related OK 2.2s 2 2 related markets / summaries. series KXFED: 0 markets (skipped 87 no-signal) | series KXFEDDECISION: 0 markets (skipped 60 no-signal) | keyword 'fed rate hike 2026': ok | keyword 'fed funds target rate': ok
polymarket_related OK 2.2s 0 Scanned 100 active Polymarket markets, kept 0 matches. keyword 'fed rate': 0 markets | keyword 'fed decision': 0 markets | keyword 'rate cut 2026': 0 markets
fred OK 4.0s 6 Fetched 6 FRED series (lookback=730d).
claude_news OK 28.5s 21 ## Key Findings: Fed Rate Hike in 2026 - **Dot plot has shifted sharply hawkish since spring.** The March 2026 SEP showed a median year-end 2026 fed funds rate of 3.4% (implying one cut), but the June 2026 dot plot shows the year-end 2026 median projection for the federal funds rate at 3.750% , so
gdelt_news OK 63.4s 30 GDELT: 30 articles across 3 queries (lookback=45d). 'Fed rate hike 2026': 10 hits | 'FOMC dot plot 2026 projections': 10 hits | 'Federal Reserve tightening inflation resurgence': 10 hits
code_execution OK 54.8s 0 ## Historical Base Rate Analysis: Fed Hikes Following Cut Years (1960–2025) **Data construction:** Classified each calendar year 1960–2025 as containing ≥1 Fed funds rate hike and/or ≥1 cut, using a simplified annual-resolution encoding of well-known FOMC tightening/easing cycles (Volcker era, Gree
3. Evidence Brief Sonnet · 6613 chars
# Current state As of mid-August 2026 the federal funds target range remains 3.50%–3.75% (upper bound, FRED DFEDTARU), unchanged after the Fed held rates at both its June and July 29, 2026 meetings. No hike has occurred in 2026 to date; resolution requires an actual upper-bound increase at any 2026 FOMC meeting through December 9, 2026 — a live possibility per futures pricing but not yet realized, distinct from mere hawkish rhetoric or dot-plot projections. # Timeline of key events - 2026-03 (reported): March SEP dot plot median end-2026 fed funds = 3.4% (implying a further cut from prior levels). - 2026-04 (reported, NPR): At the April FOMC meeting, three participants hinted the next move could be a hike rather than a cut. - 2026-05-13 (confirmed): Senate confirms Kevin Warsh as Fed Chair, 54-45, along near-party lines; Powell's chair term ends but he remains a voting Board member. - 2026-06-17 (confirmed): June FOMC holds rates; dot plot median for end-2026 revised sharply up to ~3.75-3.8%; committee split 9-9 on higher vs. unchanged/lower; one member projects +75bp cumulative hikes. Warsh declines to submit his own dot. - 2026-07-08 (reported): Fed minutes signal no cuts likely in 2026; Iran-conflict oil spike raises hike odds in futures markets. - 2026-07-14 (reported): Fed Governor Waller says inflation still above target, rate hikes "could still be coming." - 2026-07-23 (reported, CNBC): Futures-implied hike probability for the next meeting surges toward ~38% amid oil-driven inflation fears; Kalshi trader odds of a September hike reportedly hit 48% intraday. - 2026-07-29 (confirmed): FOMC holds rates unchanged at 3.50-3.75%, citing solid activity/productivity/jobs. - 2026-08-14 (reported): CME FedWatch shows ~69% probability of a September hold vs ~31% hike; 10Y breakeven inflation expectations (T10YIE) stable at 2.24-2.29%. # Event Will the Fed raise its target federal funds rate (upper bound) at any point between Jan 1, 2026 and the December 2026 FOMC meeting? # Outcomes to forecast Yes / No # Kalshi market anchor No kalshi_direct price was returned in this research pass (kalshi_related found no matching KXFED/KXFEDDECISION contracts for this exact 2026-hike question — only unrelated long-dated fed-funds-level markets for 2034-36). The ticker format matches Polymarket, so **Polymarket price is used as primary anchor**: current YES ≈ **46.5%**, down 13pts over 7 days and 7pts over 30 days, off a peak of 76.5% and low of 12.5% over 118 days of trading (volume $7.5M). This signals the market has cooled from a hawkish repricing peak (likely mid/late July, around the Iran-oil shock) but odds remain elevated relative to typical base rates. # Sub-question answers 1. **Polymarket price/history** — Current 46.5%, down from a 76.5% high; 7d -13pts, 30d -7pts; $7.5M volume (Polymarket direct). 2. **Kalshi/fed funds futures implied probability** — No direct Kalshi 2026-hike market found. CME FedWatch (per news) shows ~31-32% hike probability for the September meeting specifically, down from a ~38-48% peak in late July; economists' consensus (FactSet) still expects no 2026 hike (claude_news). 3. **SEP dot plot** — March 2026 median end-2026 fed funds = 3.4% (one cut implied); June 2026 median revised up sharply to ~3.75-3.8% (near current 3.75% upper bound), with FOMC split 9-9 on higher vs. unchanged/lower (claude_news). 4. **Inflation trajectory** — Core PCE (PCEPILFE) rising steadily m/m through June 2026; CPI also grinding higher; T10YIE inflation expectations stable ~2.2-2.3%, not signaling panic (FRED). At least one FOMC member (per June dot plot) projects +75bp of hikes; Waller publicly says hikes "could still be coming" (gdelt/claude_news). 5. **Warsh succession effect** — Warsh confirmed as Chair May 13, 2026, took over after Powell's May 15 term end; despite Trump's dovish push, Warsh has notably declined to submit his own projections and dropped forward guidance, and committee (not Warsh personally) has grown more hawkish amid oil/inflation shocks (claude_news, npr, cnbc). 6. **Historical base rate** — Post-cut-year hike frequency ≈ 25.7-28.6% (≈27% midpoint) vs. unconditional ~50.8% any-year hike rate (code_execution analysis, 1961-2025 sample). 7. **Tail scenarios** — Iran-conflict oil/tanker disruption cited repeatedly (April-July 2026) as driving inflation and hike odds; commentary explicitly frames "Trumpflation" and tariff pass-through as live risks (fool.com, forbes.com, gdelt). # Key facts (high-confidence, factual) 1. [FRED] Fed funds upper bound (DFEDTARU) = 3.75%, unchanged through Aug 16, 2026. 2. [claude_news/cnbc] FOMC held rates unchanged at both June and July 29, 2026 meetings. 3. [claude_news] June SEP dot plot median end-2026 = 3.75-3.8%, up from 3.4% in March. 4. [claude_news] Kevin Warsh confirmed Fed Chair 54-45 on 2026-05-13; Powell remains a voting Board member. 5. [FRED] Core PCE index rising each month Jan-June 2026 (128.46→130.27). # Cross-market signals - Kalshi related: no direct 2026-hike contract found; only far-dated (2034-36) fed-funds-level markets, low signal. - Polymarket: 46.5% YES, cooling from 76.5% peak (this event itself). - Sportsbook implied: N/A. CME FedWatch (proxy) ~31-32% hike probability for single upcoming (Sept) meeting only, not full-year cumulative. # Analyst opinions and speculation - iShares/BlackRock: futures pricing "bakes in" a year-end hike to ~4%. - FactSet economist consensus: still expects no 2026 hike, cuts likely 2027. - Motley Fool: "Prediction: Fed hikes once in 2026." - Epoch Times op-ed: warns a hike "would be a serious mistake." # Directional lean per outcome - **Yes (hike)**: Hawkish dot-plot shift, 9-9 split, Waller comments, oil/Iran inflation shock, rising core PCE, Polymarket still pricing ~47%. - **No (no hike)**: Fed held twice already (June, July) with no action; economist consensus still "no hike"; single-meeting futures odds only ~31%; Warsh avoiding hawkish forward guidance; historical base rate post-cut-cycle ~27%; Polymarket down sharply from peak, suggesting momentum toward No. # Gaps / unknowns - No live Kalshi-specific quote for this exact contract. - Cumulative full-year hike probability (vs. single-meeting) not directly reported — only per-meeting futures odds available. - September/October/December 2026 meeting outcomes unknown at time of research. # Calibration anchors - Polymarket YES ≈ 46.5% (primary anchor, declining trend). - Single-meeting (Sept) hike odds per CME FedWatch ≈ 31-32%, down from ~38-48% peak. - Historical base rate P(hike | prior-year cuts) ≈ 27%, unconditional ≈ 51%.
4. Forecasters Opus + GPT · in parallel
claude-opus-5
0.55
Yes 43%
No 57%
The primary market anchor (Polymarket ~46.5% YES, cooling from a 76.5% peak, -13pts in 7 days) is the best consensus available since no direct Kalshi contract exists. Cumulative logic supports something near that: CME FedWatch puts September alone at ~31%, leaving October and December to add incremental probability, roughly 45% cumulative — but the Fed has already held twice (June, July) despite the hawkish June dot plot (median end-2026 revised to ~3.75-3.8%, committee split 9-9), and Warsh has declined to give hawkish forward guidance while FactSet's economist consensus still expects no 2026 hike. Historical base rate for a hike in the year after a cutting cycle is only ~27%, and 10Y breakevens remain anchored at 2.2-2.3%, arguing the oil/Iran-driven inflation scare may fade. I therefore settle slightly below the Polymarket price, at ~43% YES, respecting the declining momentum without fully discounting the live hawkish tail.
gpt-5.5
0.58
Yes 43%
No 57%
Polymarket's current YES anchor is about 46.5%, but it has fallen sharply from the July oil-shock peak, which points slightly toward No because the market is repricing away from an imminent hike. The September-specific CME probability near 31-32% points toward No for the next meeting, though the cumulative probability across remaining 2026 meetings is meaningfully higher. The June SEP's sharp hawkish revision, 9-9 FOMC split, rising core PCE, and Waller's comments point toward Yes because a hike is clearly live if inflation pressure persists. However, the Fed has already held in June and July, breakeven inflation expectations remain stable around 2.2-2.3%, economist consensus still expects no 2026 hike, and the post-cut-cycle historical base rate is only about 27%, so I shade modestly below the 46.5% market anchor.
5. Devil's Advocate Sonnet · red-team critique
1. Both forecasters converge on identical 43%/57% outputs despite claiming independent reasoning, and both shade below the Polymarket anchor for similar stated reasons—this suggests insufficient independent stress-testing rather than genuine convergence; neither explores why the "correct" answer might diverge further from Polymarket in either direction. 2. The cumulative-probability math is under-scrutinized: Forecast 1 says September alone is ~31% and simply asserts "roughly 45% cumulative" for the full year without showing how October/December marginal probabilities combine (e.g., via 1-(1-p1)(1-p2)(1-p3)), which could plausibly push cumulative YES meaningfully higher than 45% if per-meeting odds are correlated/persistent (especially if oil/inflation shocks continue), a scenario neither forecaster models explicitly. 3. Neither forecast engages with the "Trumpflation"/tariff pass-through tail scenario flagged in the brief as a "live risk," nor with the political dynamic of a Trump-installed Chair (Warsh) facing pressure to appear inflation-fighting independent of Trump's dovish preference — this could be a distinct catalyst for a "insurance hike" that pure base-rate/dot-plot analysis misses. 4. Both forecasts treat the 27% historical base rate (post-cut-cycle) as a meaningful anchor, but this reference class may be weak here given the unprecedented mid-year hawkish dot-plot reversal (3.4%→3.75-3.8%) and a 9-9 committee split — historically unusual, arguably making this cycle non-representative of the base-rate sample, yet neither forecaster discounts the base rate's applicability. 5. Neither addresses the asymmetry between "Fed held twice already" (June, July) as bearish evidence versus the fact that four meetings remain (Sept, Oct/Nov, Dec) with rising core PCE data trending in the hawkish direction each month Jan-June — the persistence of that inflation trend into Q3/Q4 is a key uncertainty that could shift odds meaningfully but isn't quantified in either rationale. 6. Both forecasters anchor tightly to Polymarket without noting the specific caveat in the brief that Kalshi itself showed "48% intraday" for just a September hike alone at the July peak — a figure that, if still even partially relevant, arguably implies a higher cumulative full-year figure than the 43% both settled on, meaning their convergence to a number below the market anchor may be systematically over-discounting the hawkish tail.
6. Aggregator Opus · final calibrated forecast
45% (56% confidence)
Yes: 45% No: 55%
Polymarket at ~46.5% is the only live market anchor for this exact cumulative question, and the critique correctly notes that a ~31% single-meeting September probability plus October/November and December meetings compounds to something near or above 45% even with correlation — so shading down to 43% risks double-counting the same bearish signals (holds in June/July, stable breakevens, economist consensus) that the market has already digested during its decline from 76.5%. Offsetting this, the declining price trend, Warsh's reluctance to give hawkish guidance, and the ~27% post-cut-cycle base rate genuinely argue for No, though that base rate deserves discounting given the unprecedented mid-year dot-plot reversal (3.4%→3.75-3.8%) and 9-9 committee split. The live hawkish tails (oil/Iran shock persistence, tariff pass-through, an 'insurance hike' by a new Chair asserting independence) are real but partially priced. I therefore settle essentially at the market, marginally below it: Yes 45%, No 55%.
Pipeline Timing
Total pipeline time: 150.3s
Per-tool research timings shown in the Research section above.