The Prediction Markets

U.S. x Russia Nuclear deal by...?

Closes
Jan 1, 2027, in 2 months
Traded
$7.8M
Venues
Polymarket, Kalshi
Prices updated
1 min ago
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What the markets expect

Before Jan 20, 2029 36%

Next is Before Jan 1, 2028 at 31%. The venues list this event, but none of their outcomes are matched yet, so prices are shown separately.

Odds by venue

Consensus blends each venue’s last price, weighted by how much has traded there. Best Yes price is the cheapest ask across venues, and the payout is what a winning $100 stake returns before fees. Open a row for each venue’s contract name, bid and ask, and how closely their rules match.

Prices come from our regular polls of each venue, the oldest 7 min ago. Ages are as of when this page was built.

  • Polymarket
  • Kalshi
Before Jan 20, 2029
36%
Kalshi 36%polled, 1 min agoBest Yes 38¢ on Kalshi, $100 pays $263 (2.63x)
Kalshi
Contract
Before Jan 20, 2029
Last price
36%
As of
Polled 1 min ago
Buy Yes
38¢
Sell Yes
36¢
$100 on Yes pays
$263 (2.63x)
Volume
$132K
Trade this on Kalshi
Before Jan 1, 2028
31%
Kalshi 31%polled, 1 min agoBest Yes 31¢ on Kalshi, $100 pays $323 (3.23x)
Kalshi
Contract
Before Jan 1, 2028
Last price
31%
As of
Polled 1 min ago
Buy Yes
31¢
Sell Yes
28¢
$100 on Yes pays
$323 (3.23x)
Volume
$126K
Trade this on Kalshi
Before Mar 1, 2027
19%
Kalshi 19%polled, 1 min agoBest Yes 19¢ on Kalshi, $100 pays $526 (5.26x)
Kalshi
Contract
Before Mar 1, 2027
Last price
19%
As of
Polled 1 min ago
Buy Yes
19¢
Sell Yes
16¢
$100 on Yes pays
$526 (5.26x)
Volume
$85K
Trade this on Kalshi
Before Feb 1, 2027
15%
Kalshi 15%polled, 1 min agoBest Yes 15¢ on Kalshi, $100 pays $667 (6.67x)
Kalshi
Contract
Before Feb 1, 2027
Last price
15%
As of
Polled 1 min ago
Buy Yes
15¢
Sell Yes
12¢
$100 on Yes pays
$667 (6.67x)
Volume
$31K
Trade this on Kalshi
Before Jan 1, 2027
9.9%
Kalshi 9.9%polled, 1 min agoBest Yes 9.9¢ on Kalshi, $100 pays $1,010 (10.1x)
Kalshi
Contract
Before Jan 1, 2027
Last price
9.9%
As of
Polled 1 min ago
Buy Yes
9.9¢
Sell Yes
9.8¢
$100 on Yes pays
$1,010 (10.1x)
Volume
$1.9M
Trade this on Kalshi
U.S. x Russia Nuclear deal by December 31, 2026?
9.6%
Polymarket 9.6%polled, 7 min agoBest Yes 11.8¢ on Polymarket, $100 pays $847 (8.47x)
Polymarket
Contract
U.S. x Russia Nuclear deal by December 31, 2026?
Last price
9.6%
As of
Polled 7 min ago
Buy Yes
11.8¢
Sell Yes
7.3¢
$100 on Yes pays
$847 (8.47x)
Volume
$15K
Trade this on Polymarket
Before Dec 1, 2026
7%
Kalshi 7%polled, 1 min agoBest Yes 7¢ on Kalshi, $100 pays $1,429 (14.3x)
Kalshi
Contract
Before Dec 1, 2026
Last price
7%
As of
Polled 1 min ago
Buy Yes
7¢
Sell Yes
6¢
$100 on Yes pays
$1,429 (14.3x)
Volume
$305K
Trade this on Kalshi
Before Nov 1, 2026
1%
Kalshi 1%polled, 1 min agoBest Yes 1¢ on Kalshi, $100 pays $10,000 (100x)
Kalshi
Contract
Before Nov 1, 2026
Last price
1%
As of
Polled 1 min ago
Buy Yes
1¢
Sell Yes
—
$100 on Yes pays
$10,000 (100x)
Volume
$1.3M
Trade this on Kalshi

Who resolves this market

Polymarket
Polymarket resolves via:
UMA optimistic oracle
Kalshi
Kalshi resolves via:
Kalshi (CFTC-regulated exchange), source: The New York Times, the Associated Press, Reuters

How the odds have moved

The top 3 outcomes on both venues, with the consensus between them. Hover for exact values.

  • Before Jan 20, 2029
  • Before Jan 1, 2028
  • Before Mar 1, 2027

Order books

Each venue’s resting orders for the selected outcome’s Yes contract, side by side. Top of book streams live; depth refreshes every 15 seconds.

Polymarket

Polymarket doesn’t list Before Jan 20, 2029 for this event.

Top of book

Connecting
Best bid
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Spread
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Best ask
—

Waiting for the first live quote…

Depth · top 8 levels

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Recent trades

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What your stake buys

Enter a stake to see where it buys the most after fees, using each venue’s live order book.

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Buy

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Buys at the asks resting now (taker orders), cheapest after fees first, from order-book snapshots up to 15 seconds old. Fees: Kalshi 0.07 × price × (1 − price) per share, rounded up to the cent; Polymarket 0.04 × price × (1 − price) per share (politics rate). Fee calculator. Estimates only, not advice.

About this market

Live prediction market odds for "U.S. x Russia Nuclear deal by...?". Before Jan 20, 2029 leads at 36%. Next is Before Jan 1, 2028 at 31%. $7.8M has traded across 8 outcomes on Kalshi and Polymarket. The market is expected to resolve by Jan 1, 2027.

This market will resolve to "Yes" if an official agreement on nuclear arms control or strategic nuclear weapons limitation is reached between the United States and the Russian Federation between August 14, 2025 and December 31, 2025, 11:59 PM ET. Otherwise, this market will resolve to “No”. Only agreements that are publicly announced and acknowledged by both the U.S. and Russia will qualify. The agreement must pertain to nuclear arms control or limitation—such as a treaty, framework, or memorandum—addressing matters including (but not limited to) nuclear warheads, delivery systems, verification mechanisms, or strategic stability. An extension, amendment, or replacement of the New START treaty will qualify, provided it is publicly announced as a concluded agreement by both parties within the time frame. Exploratory discussions or stated intent to extend without a finalized agreement will not qualify. Agreements that include both the United States and Russia as named parties—whether bilateral or as part of a broader multilateral framework—will qualify, provided the agreement directly addresses nuclear arms control. The agreement does not need to be ratified or implemented for this market to resolve "Yes"; a formal announcement of a concluded agreement is sufficient. The primary resolution source for this market will be official statements from the U.S. government (e.g., the White House, State Department) and/or the Russian Federation (e.g., the Kremlin, Ministry of Foreign Affairs). However, a clear and overwhelming consensus of credible reporting confirming that such an agreement has been reached will also qualify.

Questions

What does the consensus price mean?

It is the price of a Yes contract that pays $1 if the outcome happens. A 14¢ price means traders put the chance near 14%. Where two venues list the same outcome, we blend their last prices, weighting the venue with more trading volume more heavily (neither counts for less than a quarter). When only one outcome can win, each venue’s prices add up to a little over 100% (its margin); the fair chance removes that margin so the outcomes add up to exactly 100%.

How is the payout worked out?

A Yes contract pays $1 if it wins, so at the best ask a $100 stake buys 100 ÷ ask contracts. At 18¢ that is about 555 contracts, paying $556 (5.56x) if Yes happens. Venue fees and price slippage on larger orders are not included.

Why do the venues show different prices?

Each venue has its own traders, fees and order book. Contracts can also settle on slightly different terms, which is why each row lists how closely the rules match.

Is a price gap an arbitrage?

Only when you can buy Yes on one venue below what someone pays for Yes on the other, after fees, and both contracts settle the same way. We show the executable bid and ask so you can check.

How fresh are these prices?

Venue prices refresh every few minutes, and the order book and live quotes stream continuously. Each venue’s card shows when we last observed it.

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