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Prediction Markets Track the Odds of a US AI Safety Bill

Polymarket long priced a US federal AI safety bill before 2026 at around 10%, but between September 9 and 11 the odds surged from ~9% to nearly 50%, marking a sharp reversal in market expectations for AI regulation.

2026-07-29 ~ 2026-09-11 · 13 episodes · 39 posts

Episode 1 · Polymarket Bets Only 26% Chance of US AI Safety Bill by 2026 (2026-07-29, 2 posts)

Following recent AI agent concerns, Polymarket indicates only a 26% chance that the US will pass an AI safety bill by the end of 2026, with trading volume around $100,000.

Episode 2 · Prediction Markets Skeptical on US AI Safety Legislation by 2026 (2026-07-31, 2 posts)

Polymarket data indicates a low and declining probability of the US passing AI safety legislation by the end of 2026, dropping from 20% to 17%.

Episode 3 · Prediction Markets Skeptical on US AI Safety Bill (2026-08-03, 3 posts)

Polymarket indicates a low probability of 11% to 17% for the US passing a federal AI safety bill by 2027, reflecting skepticism about legislative action.

Episode 4 · Prediction Market: Chances of US Federal AI Safety Law by 2026 Below 20% (2026-08-06, 2 posts)

Polymarket data indicates that the probability of the US enacting a federal AI safety law by the end of 2026 is merely 18-19%, reflecting market skepticism about near-term AI regulations.

Episode 5 · Prediction Market Estimates Only 11% Chance of US AI Safety Law by 2027 (2026-08-10, 2 posts)

Polymarket data indicates an estimated 11% probability that the US will pass a federal AI safety law before 2027. This low figure reflects a pessimistic market outlook on near-term federal AI legislation.

Episode 6 · Polymarket Sees Just 13% Odds of US Banning Chinese AI Models or Passing AI Safety Law (2026-08-15, 2 posts)

Polymarket puts the odds of the US formally banning a major Chinese AI model by the end of 2026 at just 13%, with the probability of Congress passing an AI safety bill this year also at 13%, reflecting low market expectations for US AI regulation and China restrictions.

Episode 7 · Polymarket sees only ~12% odds of US AI safety law this year (2026-08-21, 2 posts)

Polymarket traders put the odds of a US federal AI safety bill passing by year-end at just 12-13%, with such a bill required to include provisions like model release bans, training compute limits, or human-in-the-loop mandates.

Episode 8 · Polymarket Puts Odds of US AI Safety Law This Year at Just 10% (2026-08-24, 2 posts)

Polymarket traders put the probability of the US passing a federal AI safety law by year-end at just 10%, with the market requiring the bill to include provisions such as banning certain AI systems or setting compute thresholds. The contract has seen about $102,000 in volume.

Episode 9 · Polymarket prices US federal AI safety bill odds at just 11% (2026-08-27, 5 posts)

Polymarket's prediction market pegs the probability of a US federal AI safety bill passing by year-end at just 11%, with one snapshot on 08-27 showing 10%. The market defines a qualifying bill as one banning certain models, imposing training limits (e.g. parameter caps), restricting specific use cases, or requiring human-in-the-loop oversight.

Confirmed

  • Multiple Polymarket posts (08-27, 08-28) consistently show 11%, with one 08-27 post showing 10%, likely reflecting different snapshots or markets; one post words the deadline as end of 2026 rather than this year
  • Bipartisan proposals including the FRONTIER Act remain in committee without mandatory audits or enforcement mechanisms
  • A broader Senate framework is stalled over state-law preemption disputes

Why it matters

  • Market analysis identifies preemption and innovation-priority disagreements as the core blockers, unlikely to resolve soon
  • The low implied odds suggest US AI regulation may remain a fragmented, state-led patchwork if states like California continue legislating independently

Episode 10 · Polymarket prices just 11% chance of US AI safety law before 2027 (2026-09-02, 3 posts)

Polymarket traders price only an 11-12% chance of a US federal AI safety law passing before 2027, with about $102K in volume, reflecting skepticism about congressional action.

Episode 11 · Polymarket Prices US Federal AI Safety Legislation by End of 2026 at Just 9-10% (2026-09-07, 5 posts)

Polymarket opened a market on September 7 asking whether the US will pass a federal AI safety bill by December 31, 2026, initially pricing it at just 10% with about $102K in total volume. Odds slipped to 9% over the following days, indicating trader consensus that passage is unlikely before the deadline.

Confirmed

  • The market opened on September 7 at 10% (m2, m5), with multiple posts on September 8-9 showing the probability at 9% (m1, m3, m4).
  • Total volume/market liquidity is about $102K.
  • Resolution requires the bill to include at least one of: banning creation or release of specific AI systems; restricting training (e.g., data access limits or parameter caps); restricting specific use cases; or mandating human oversight mechanisms.

Why it matters

  • The market operationalizes "AI safety legislation" into resolvable criteria, providing a quantified signal of market expectations for US federal AI regulation.
  • The low pricing reflects trader pessimism about legislation passing by end of 2026, serving as a trackable indicator of US AI regulatory sentiment.

Episode 12 · Polymarket Odds on US Federal AI Safety Bill Jump from ~9% to Near 50% in Two Days (2026-09-09, 7 posts)

On Polymarket, the prediction market contract for "the US passing a federal AI safety bill before 2027 (i.e., by the end of 2026)" was priced at only about 9%-18% between September 9 and 10, with roughly $102,000 in volume. Even after Anthropic's alignment lead warned that AI could "kill all humanity" within a decade, the market remained pessimistic about legislative prospects.

Confirmed

  • The contract's resolution criteria include any of the following: banning the creation or release of certain AI systems, restricting training methods (e.g., data access or parameter caps), restricting use cases, or mandating human-in-the-loop oversight.
  • September 9-10: the contract was priced around 9%-18% with total volume of about $102,000; multiple posts cited the same figures.
  • September 11: @Polymarket posted that the market's probability rose to roughly 45%-49%, with total trading volume exceeding $100,000, noting that bipartisan drafts were accelerating.

Timeline

  • 09-09 to 09-10: contract priced around 9%-18%, volume about $102,000.
  • 09-11: probability jumped to about 45%-49%; bipartisan drafts reportedly accelerated.

Why it matters

Prediction markets directly quantify participants' views on the prospects of US AI legislation. The probability leaping from single/low-double digits to nearly 50% within two days reflects how significantly progress on bipartisan drafts has shifted expectations. If the bill ultimately passes, its provisions on training restrictions, usage limits, and mandatory human oversight would directly affect AI companies' R&D and deployment.

Episode 13 · Polymarket Bets on US AI Regulation Odds Around 30% (2026-09-11, 2 posts)

Polymarket odds of strict US AI regulation surged to roughly 27%–31% by year-end and 49% by 2027, with over $100k traded, as researchers' warnings about existential AI risks fuel the market.