US x China tariff agreement by October 31?

ResolutionResolved YES

YES payout100¢

NO payout0¢

VenuePolymarket

Realized · held to resolution+20%$100 paper stake

Polymarket83¢ → 100¢

Our position · YES83¢ → 100¢

Signal endedSep 27

Forecast updated

Sep 23 forecast

The Xi-Trump summit this week brings the two sides close to a mutual tariff reduction deal, so an agreement by the end of October is highly likely.

Xi Jinping is in Washington for a state visit that is the most consequential opportunity for a US-China tariff agreement since the 2025 Busan truce. The two sides have been negotiating specific packages: mutual tariff cuts on roughly $30 billion of goods, a Board of Trade to coordinate reductions, and energy and agriculture deals. The truce expires on November 10, creating a hard deadline that concentrates diplomatic effort. While past commitments have seen uneven follow-through, the combination of a face-to-face summit, detailed preparatory talks, and the looming truce expiration makes a mutual agreement by October 31 highly likely. Markets currently treat a deal as likely, reflecting skepticism about implementation; however the structural setup and negotiation intensity at this week’s summit make an agreement highly probable. The final probability is consistent with the evidence that an agreement will be announced either during the visit or shortly thereafter, before the October 31 deadline.

Points to YES

Xi’s state visit provides a high-level venue to finalize a tariff agreement.
On 2026-09-23, Xi Jinping arrived in Washington for a state visit through September 25, including bilateral meetings with President Trump.
Negotiations on $30 billion mutual tariff cuts are advanced and specific.
On 2026-09-18, U.S. and Chinese officials discussed cutting tariffs on about $30 billion of goods in each direction, including LNG tariff reductions.
The Board of Trade mechanism is being operationalized to implement tariff cuts.
On 2026-09-21, Treasury Secretary Bessent confirmed plans to operationalize the U.S.-China Board of Trade for identifying tariff cuts on non-strategic goods.

Points to NO

Past commitments have been only partially fulfilled, creating lingering skepticism.
On 2026-09-21, reports noted uneven progress on trade commitments made after the May 2026 leaders’ meeting.

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