This market has closed
Trading ended on Mar 31, 2026. The prices below are the last ones before it closed and no longer update. Browse open markets
Odds by venue
Fair chance strips out each venue’s built-in margin (its prices add up to more than 100%), then blends the venues by how much has traded there, so the outcomes add up to 100%. 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 205 days ago. Ages are as of when this page was built.
- Polymarket
Yes100%100%99.9¢ bid, — askpolled, 4931 h agoNo askYes100%Polymarket 100%polled, 4931 h ago
- Contract
- Yes
- Last price
- 100%
- As of
- Polled 205 d ago
- Buy Yes
- —
- Sell Yes
- 99.9¢
- Volume
- $74K
Who resolves this market
- Polymarket resolves via:

- UMA optimistic oracle
How the odds have moved
The leading outcome on both venues, with the consensus between them. Hover for exact values.
- Yes
About this market
Final prediction market prices for "Will a 10% US blanket tariff be in effect on March 31?". Yes last traded at 100%. $74K has traded across 1 outcome on Polymarket. The market closed on Mar 31, 2026.
This market will resolve to “Yes” if a general or blanket US tariff of 10% or more on imports into the United States is in effect on March 31, 2026 at 12:00 PM ET. Otherwise, this market will resolve to “No”. A general or blanket tariff is a tariff policy that applies a baseline tariff rate of 10% or greater to imports broadly, rather than being limited to a narrow set of products or countries. A tariff that includes item-specific, country-specific, or other limited exceptions will still qualify, as long as a baseline policy of a 10% or greater tariff on imports into the United States is in effect at the specified time. “In effect" means the tariff must be operational in its application to US imports at the specified time. General or blanket tariffs which go into effect, but are then blocked, injuncted, repealed, or otherwise invalidated such that a blanket tariff rate of 10% or more is not being imposed on imports into the United States at this market’s resolution time will not count. This market's primary resolution source will be official information from the United States federal government; however, a consensus of credible information may also be used.
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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