The Prediction Markets

Ship traffic through the Bab el-Mandeb Strait week of November 16?

Closes
Nov 23, 2026, in 7 days
Traded
$11K
Venues
Polymarket, Kalshi
Prices updated
1 min ago
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What the markets expect

170+ 89.5%

Next is Above 170 at 89%. 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 1 min ago. Ages are as of when this page was built.

  • Polymarket
  • Kalshi
170+
89.5%
Polymarket 89.5%polled, 1 min agoBest Yes 91¢ on Polymarket, $100 pays $110 (1.10x)
Polymarket
Contract
170+
Last price
89.5%
As of
Polled 1 min ago
Buy Yes
91¢
Sell Yes
88¢
$100 on Yes pays
$110 (1.10x)
Volume
$361
Trade this on Polymarket
Above 170
89%
Kalshi 89%polled, 1 min agoBest Yes 90¢ on Kalshi, $100 pays $111 (1.11x)
Kalshi
Contract
Above 170
Last price
89%
As of
Polled 1 min ago
Buy Yes
90¢
Sell Yes
89¢
$100 on Yes pays
$111 (1.11x)
Volume
$1K
Trade this on Kalshi
175+
85.5%
Polymarket 85.5%polled, 1 min agoBest Yes 88¢ on Polymarket, $100 pays $114 (1.14x)
Polymarket
Contract
175+
Last price
85.5%
As of
Polled 1 min ago
Buy Yes
88¢
Sell Yes
83¢
$100 on Yes pays
$114 (1.14x)
Volume
$422
Trade this on Polymarket
Above 175
85%
Kalshi 85%polled, 1 min agoBest Yes 87¢ on Kalshi, $100 pays $115 (1.15x)
Kalshi
Contract
Above 175
Last price
85%
As of
Polled 1 min ago
Buy Yes
87¢
Sell Yes
84¢
$100 on Yes pays
$115 (1.15x)
Volume
$1K
Trade this on Kalshi
Above 180
75%
Kalshi 75%polled, 1 min agoBest Yes 77¢ on Kalshi, $100 pays $130 (1.30x)
Kalshi
Contract
Above 180
Last price
75%
As of
Polled 1 min ago
Buy Yes
77¢
Sell Yes
75¢
$100 on Yes pays
$130 (1.30x)
Volume
$155
Trade this on Kalshi
180+
74.5%
Polymarket 74.5%polled, 1 min agoBest Yes 78¢ on Polymarket, $100 pays $128 (1.28x)
Polymarket
Contract
180+
Last price
74.5%
As of
Polled 1 min ago
Buy Yes
78¢
Sell Yes
71¢
$100 on Yes pays
$128 (1.28x)
Volume
$171
Trade this on Polymarket
185+
60%
Polymarket 60%polled, 1 min agoBest Yes 63¢ on Polymarket, $100 pays $159 (1.59x)
Polymarket
Contract
185+
Last price
60%
As of
Polled 1 min ago
Buy Yes
63¢
Sell Yes
57¢
$100 on Yes pays
$159 (1.59x)
Volume
$121
Trade this on Polymarket
Above 185
59%
Kalshi 59%polled, 1 min agoBest Yes 60¢ on Kalshi, $100 pays $167 (1.67x)
Kalshi
Contract
Above 185
Last price
59%
As of
Polled 1 min ago
Buy Yes
60¢
Sell Yes
58¢
$100 on Yes pays
$167 (1.67x)
Volume
$407
Trade this on Kalshi
190+
55.5%
Polymarket 55.5%polled, 1 min agoBest Yes 87¢ on Polymarket, $100 pays $115 (1.15x)
Polymarket
Contract
190+
Last price
55.5%
As of
Polled 1 min ago
Buy Yes
87¢
Sell Yes
24¢
$100 on Yes pays
$115 (1.15x)
Trade this on Polymarket
Above 190
48%
Kalshi 48%polled, 1 min agoBest Yes 50¢ on Kalshi, $100 pays $200 (2.00x)
Kalshi
Contract
Above 190
Last price
48%
As of
Polled 1 min ago
Buy Yes
50¢
Sell Yes
48¢
$100 on Yes pays
$200 (2.00x)
Volume
$500
Trade this on Kalshi
Show 7 more outcomes
195+
35%
Polymarket 35%polled, 1 min agoBest Yes 39¢ on Polymarket, $100 pays $256 (2.56x)
Polymarket
Contract
195+
Last price
35%
As of
Polled 1 min ago
Buy Yes
39¢
Sell Yes
31¢
$100 on Yes pays
$256 (2.56x)
Volume
$60
Trade this on Polymarket
Above 195
33.5%
Kalshi 33.5%polled, 1 min agoBest Yes 34¢ on Kalshi, $100 pays $294 (2.94x)
Kalshi
Contract
Above 195
Last price
33.5%
As of
Polled 1 min ago
Buy Yes
34¢
Sell Yes
33¢
$100 on Yes pays
$294 (2.94x)
Trade this on Kalshi
Above 200
21%
Kalshi 21%polled, 1 min agoBest Yes 21¢ on Kalshi, $100 pays $476 (4.76x)
Kalshi
Contract
Above 200
Last price
21%
As of
Polled 1 min ago
Buy Yes
21¢
Sell Yes
20¢
$100 on Yes pays
$476 (4.76x)
Volume
$30
Trade this on Kalshi
Above 205
12%
Kalshi 12%polled, 1 min agoBest Yes 12¢ on Kalshi, $100 pays $833 (8.33x)
Kalshi
Contract
Above 205
Last price
12%
As of
Polled 1 min ago
Buy Yes
12¢
Sell Yes
11¢
$100 on Yes pays
$833 (8.33x)
Volume
$27
Trade this on Kalshi
Above 210
8.5%
Kalshi 8.5%polled, 1 min agoBest Yes 9¢ on Kalshi, $100 pays $1,111 (11.1x)
Kalshi
Contract
Above 210
Last price
8.5%
As of
Polled 1 min ago
Buy Yes
9¢
Sell Yes
8¢
$100 on Yes pays
$1,111 (11.1x)
Trade this on Kalshi
Above 220
5.5%
Kalshi 5.5%polled, 1 min agoBest Yes 6¢ on Kalshi, $100 pays $1,667 (16.7x)
Kalshi
Contract
Above 220
Last price
5.5%
As of
Polled 1 min ago
Buy Yes
6¢
Sell Yes
5¢
$100 on Yes pays
$1,667 (16.7x)
Trade this on Kalshi
Above 230
2%
Kalshi 2%polled, 1 min agoBest Yes 2¢ on Kalshi, $100 pays $5,000 (50.0x)
Kalshi
Contract
Above 230
Last price
2%
As of
Polled 1 min ago
Buy Yes
2¢
Sell Yes
1¢
$100 on Yes pays
$5,000 (50.0x)
Volume
$6K
Trade this on Kalshi

Who resolves this market

Polymarket
Polymarket resolves via:
UMA optimistic oracle, source: portwatch.imf.org
Kalshi
Kalshi resolves via:
Kalshi (CFTC-regulated exchange), source: IMF PortWatch

How the odds have moved

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

  • 170+
  • Above 170
  • 175+

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.

Top of book

Connecting
Best bid
—
Spread
—
Best ask
—

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Depth · top 8 levels

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Recent trades

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Kalshi

Kalshi doesn’t list 170+ for this event.

What your stake buys

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

$
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 0.05 × price × (1 − price) per share (other / general rate). Fee calculator. Estimates only, not advice.

About this market

Live prediction market odds for "Ship traffic through the Bab el-Mandeb Strait week of November 16?". 170+ leads at 89.5%. Next is Above 170 at 89%. $11K has traded across 17 outcomes on Kalshi and Polymarket. The market is expected to resolve by Nov 23, 2026.

This market will resolve to “Yes” if the total number of transit calls through the Bab el-Mandeb Strait from November 16, 2026 to November 22, 2026, according to IMF PortWatch, is at least the number specified in the title. Otherwise, this market will resolve to “No”. The total is the sum of the daily figures for every date in the period. Daily figures are the total transit calls by container, dry bulk, roll-on/roll-off, general cargo, and tanker ships that IMF PortWatch publishes for each date. This market will resolve once IMF PortWatch has published data for every date in the period. Revisions made after that point will not be considered, unless subject to the data integrity clause below. If any data is still unpublished 14 calendar days after the period’s final date, this market will resolve on the most recent data published at that time. In the case that the Resolution Source publishes data, sufficient to settle a Market, that is clearly erroneous and the result of technical or operational error, or of unauthorized interference with the Resolution Source or its data, the Market may remain open for a period of up to seven (7) calendar days (ET) from the time of the original release, in anticipation of a correction by the Resolution Source. If the Resolution Source publishes a corrected value within that period, that value will be eligible for resolution. If no corrected value is published within that period, Polymarket will issue a Clarification to determine whether the originally published value may be eligible for resolution, or whether other action is required to preserve the orderly functioning of the Market. The resolution source for this market will be IMF PortWatch, specifically the Transit Calls data published for the Bab el-Mandeb Strait at https://portwatch.imf.org/pages/6b1814d64903461b98144a6cc25eb79c.

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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