Top of book
ConnectingWaiting for the first live quote…
October 31 5.5%
Only Polymarket lists this market, so there is no second price to compare.
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 9 min ago. Ages are as of when this page was built.
The leading outcome on both venues, with the consensus between them. Hover for exact values.
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.
Waiting for the first live quote…
Enter a stake to see where it buys the most after fees, using each venue’s live order book.
Loading both order books…
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 0.05 × price × (1 − price) per share (other / general rate). Fee calculator. Estimates only, not advice.
Live prediction market odds for "Houthis seize an oil tanker by...?". October 31 leads at 5.5%. $145K has traded across 1 outcome on Polymarket. The market is expected to resolve by Nov 1, 2026.
This market will resolve to "Yes" if Houthi forces seize control of an oil tanker or a commercial vessel transporting oil as cargo between market creation and the specified date, 11:59 PM ET. Otherwise, this market will resolve to "No". "Houthi forces" refers to the military forces of the Houthi movement (Ansar Allah), including any armed force operating under its direction or on its behalf. Seize control refers to Houthi forces taking custody of or asserting operational control over a commercial ship, including boarding and taking control of the ship, holding or detaining it for an indefinite period, or forcefully rerouting it to a location selected or controlled by the perpetrators. Attacks on military vessels will not be considered. Once a qualifying seizure has occured, any subsequent abandonment, release, rescue, recapture, or other loss of control will not affect the resolution of this market. Missile/drone strikes or any other form of kinetic attack not resulting in the seizure of the targeted ship will not be considered, regardless of any damage that occurs. A qualifying seizure must be attributed to Houthi forces. The primary resolution source for this market will be a consensus of credible reporting. The occurrence, attribution, and timing of a qualifying seizure will be primarily determined based on a consensus of information available from the resolution sources. Where multiple sources conflict regarding the occurrence of the incident, whether the incident qualifies as a seizure, whether the ship was an oil tanker or commercial vessel transporting oil as cargo, or the attribution of the seizure to Houthi forces, this market will remain open until the earlier of: i) the confirmation of the occurrence, attribution, and timing of the seizure, and of the ship's status as an oil tanker or commercial vessel transporting oil as cargo, based on a consensus of information available from the resolution sources or ii) 3 full calendar days (ET) from the date of the first credibly reported evidence of the seizure. If this period would extend past the end date, this market will remain open to allow for 3 full calendar days to pass. If, at the end of the third calendar day, conflicting reports remain as to the occurrence, attribution, or timing of the seizure, or as to the ship's status, the incident will be judged based on the totality of information available from the resolution sources at that time. No single statement, denial, or presentation of evidence will govern where it is contradicted by the totality of information.
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%.
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.
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.
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.
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.