- Start
- Dec 31, 202750% CONFIDENCEfrom the source
Traders Weigh a US Recession Through 2027
- Kalshi’s 2027 contract (series KXRECSSNBER, event KXRECSSNBER-27) prices YES at 24¢ against NO at 78¢ on $448,819 of volume, with a max payout date of Jan 31, 2028; the market opened Apr 24, 2026 at 3:15pm EDT[1]
- Kalshi’s own trade panel is internally inconsistent, showing ‘25% chance’ beside the 24¢ YES price[1]
- Polymarket’s ‘US recession by end of 2027?’ sits higher, at a 35% chance for Yes, but on only $9,325 of volume and 76 comments; it opened Aug 7, 2026, 3:43 PM ET with an end date of Dec 31, 2027, and its summary was updated Sep 20, 2026[2]
- Despite the KXRECSSNBER ticker, the Kalshi market does not turn on the NBER at all: it ‘resolves Yes if there are two consecutive quarters of negative GDP growth in Q4 2026 through Q4 2027, according to the Bureau of Economic Analysis’, using the advance estimate’s quarter-over-quarter annualized change in real GDP, and qualifying quarters may include Q4 2026 and Q1 2027[1]
- Polymarket resolves on either of two conditions: the same kind of two-consecutive-negative-quarters test but over a wider Q2 2025 to Q4 2027 window, or a public NBER announcement that a recession occurred at any point in 2025, 2026 or 2027 — so the two books are not pricing quite the same question, and Polymarket’s wider window is part of why it is dearer[1][2]
- The NBER itself does not use the two-quarter rule the markets lean on: its Business Cycle Dating Committee dates monthly peaks and troughs on ‘depth, diffusion, and duration’, weighting real personal income less transfers and nonfarm payroll employment most heavily, with ‘no fixed rule about what measures contribute information to the process or how they are weighted’[4]
- The NBER is also deliberately slow: its dating is ‘retrospective’, waiting ‘until sufficient data are available to avoid the need for major revisions’, so a peak is usually identified ‘a number of months after it has actually occurred’; its most recent peak is February 2020 and trough April 2020[4]
- Polymarket’s rules contradict themselves on the backstop: one clause says the market stays open until the Q4 2027 advance estimate is released, while the next says that if the advance estimate for Q4 2026 has not been released by June 30, 2028 the market resolves on what is available[2]
- On the near term the paired Kalshi 2026 market (KXRECSSNBER-26) trades at 6% on about $3.5m of volume; a capture of that page showing $0 volume and no price at all had caught an empty order form rather than the market. Polymarket’s related book separately lists ‘US recession by end of 2026?’ at 9% and ‘Negative GDP growth in 2026?’ at 2%, neither of which asks Kalshi’s question[1][2][3]
- Polymarket’s AI-generated context, which it says ‘plays no role in how this market resolves’, attributes the 65.5% no-recession side to Federal Reserve September 2026 projections of median real GDP growth of 2.3% in 2026 and 2.4% in 2027, unemployment near 4.1% and core PCE easing toward 2.5% by late 2027, with persistent inflation or an abrupt AI capex slowdown as the key risks[2]
- A Business Insider item carried on the Kalshi page reports economist Henrik Zeberg laying out a timeline for a recession and stock crash by the end of 2027, while a Morningstar piece there says ‘rate hikes this year will give way to large rate cuts in 2027 and 2028’[1]
- A Fexingo podcast episode of July 4, 2026 argues the Russell 2000 may already be pricing a 2027 recession: the index at 2,996 against the S&P 500 at 7,483, a forward P/E of about 14.5 against about 22, a spread the hosts call the widest since the early 2000s outside the 2020 dip, with VIX at 15.81 suggesting large-cap traders are complacent while ‘the real economy is not’; the hosts frame this as a question, not a forecast[5]
References 574% CONFIDENCE
The first entry is always the pin's source. Overall confidence is a weighted average of how firmly each reference supports the start and end times used above; a reference counts half as much for every 180 days older than the newest.
- [1]50%kalshi.com/markets/kxrecssnber/recession/kxrecssnber-27kalshi.com· Posted Sep 20, 2026· Starts Dec 31, 2027 ✓· 21% of score
The market asks only whether the two negative quarters fall anywhere between Q4 2026 and Q4 2027, so there is no single day to hang it on; by the convention for a year-only date the pin takes the last day of 2027. Kalshi[3] does not expire it until January 31, 2028, when the advance estimate for Q4 2027 is due. The 25% is the chance on Kalshi’s trade panel, which sits beside a 24¢ Yes price.
- [2]78%Polymarket: US recession by end of 2027?polymarket.com· Added Sep 20, 2026· 21% of score
Polymarket’s cumulative version of the same question prices 34.5%, a useful cross-check on Kalshi’s[1][3] 24% for a recession starting in 2027 specifically.
- [3]80%Kalshi: Recession this year? (2026)kalshi.com· Added Sep 20, 2026· 21% of score
The 2026 event on the same Kalshi[1] series, at 6% on 3.5M contracts, is the baseline the 2027 market is priced against.
- [4]90%NBER: Business Cycle Datingnber.org· Added Sep 20, 2026· 21% of score
The NBER’s dating committee page explains the retrospective call these markets settle on, which is why the market runs well past the year it covers.
- [5]70%The Stock Market Podcast: How the Russell 2000 Is Pricing In a 2027 Recessionpodcasts.apple.com· Published Jul 4, 2026· 16% of score
The July 4, 2026 episode reads small caps sliding while the S&P 500 makes highs as the market pricing in a 2027 recession — the same year Kalshi’s[1][3] NBER[4] market has at 24%.
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