PolymarketGeopoliticsDevelopingUpdated 2m ago

Strait of Hormuz traffic returns to normal by October 31?

As of Oct 11, 2026, 4:34 PM ET, Polymarket priced this market at 0.9% (little changed over 24 hours). It had $104.1K traded in the past 24 hours, $296.9K of order-book liquidity and a bid-ask spread of 0.2 pts. probcast.co rates the support behind this price as strong.

Market probability
0.9%
Little changed over 24 hours

Deep, easy-to-trade market, with broad trading across many accounts.

Price historyPolymarket

Source: Polymarket price history

How credible was the move?

Methodology →

Move validity

Strong

Consensus stability

Stable

Contract clarity

High

Can you trust this price?

Two different questions: how hard the price is to move, and whose trading set it.

Market capacity

How hard is it to move this price?

DeepTight spread

Order-book liquidity

$296.9K

Bid-ask spread

0.2 pts

24h volume

$104.1K

Total volume

$2.2M

It would take roughly $3.2K of buying to move the price up by ~5 pts.

Lots of money on the book and a tight spread — a single ordinary order can't move this price much.

Who's trading

Whose opinion is this price?

Broad participation
26%of the traded money came from the single largest account

Accounts

77

Trades

200

over 3 days

Largest order

$549

$3.8K traded across these 200 trades (last 3 days).

Many independent accounts traded — the price reflects a crowd, not one bettor.

Recent trade activity$3.8K traded

From the latest trade tape (most recent 200 prints) — a live activity sample, not a lifetime total.

What this market actually measures

This market will resolve to “Yes” if IMF Portwatch publishes a 7-day moving average of transit calls (“Arrivals of Ships”) for the Strait of Hormuz equal to or above 60 for any date between market creation and October 31, 2026. Otherwise, this market will resolve to “No”.

This summary shows the opening of the venue's official rules. ProbCast has not yet generated an independent plain-English interpretation for this contract — review the full rules before relying on it.

View full official resolution rules

This market will resolve to “Yes” if IMF Portwatch publishes a 7-day moving average of transit calls (“Arrivals of Ships”) for the Strait of Hormuz equal to or above 60 for any date between market creation and October 31, 2026. Otherwise, this market will resolve to “No”. Daily transit calls include container, dry bulk, roll-on/roll-off, general cargo, and tanker ships. Ships not reported by IMF Portwatch will not be considered. This market will resolve as soon as IMF Portwatch publishes a 7-day moving average of transit calls equal to or above the specified level, or once data has been published for the final date in the specified period and no such value has been published. If no data has been published for the final date of the specified period within 14 calendar days (ET) after the end of that period, this market will resolve based on data published up to that point. Revisions to previously published data points made within this market’s timeframe will be considered. However, they will not disqualify a previously published data point from qualifying. Revisions to previously published data points after data is published for October 31, 2026, however, will not be considered. In case of obvious data integrity issues (i.e., erroneous data), the market may remain open until the end of the third calendar day (ET) after the date on which such data is first released to allow for corrections. Data integrity issues refer only to clerical or other similar errors in the underlying data, and do not include cases where IMF Portwatch differs from alternative sources. The resolution source for this market will be IMF Portwatch, specifically the transit calls data published for the Strait of Hormuz at https://portwatch.imf.org/pages/cb5856222a5b4105adc6ee7e880a1730, both in the chart and through downloadable files.

Resolution source: portwatch.imf.org

What could move this market next?

  • The market's deadline arrivesOctober 31, 2026 at 11:59 PM ET

    The contract must resolve based on what has happened by this date.

  • Confirmation at the resolution source (portwatch.imf.org)

    The rules name this source as the basis for settlement.

Derived from the contract's own mechanics as of Oct 11, 4:35 PM ET. ProbCast does not list scheduled meetings, announcements, or data releases it cannot verify.

Probability by deadline

The same event, priced across deadline contracts on this venue.

Extending the deadline from Nov 30 to Dec 31 adds about 8.0 percentage points of implied probability.

Advanced analysis (experimental)

Research signals — these models are still accumulating the history needed for full validation, and they can disagree with the headline read. Model confidence: high · expected error ±7 pts.

Trading normallyLegacy movement classifier: watch

What's happening

medium classifier confidence
Trading normally

Liquid, two-sided, and calm. The current price reads as settled consensus — the latest print is a reasonable summary of what the market believes.

  • Liquid, two-sided, and calm — price behaving as settled consensus

The latest price is a usable but caveated read — weigh it with the market state.

More details — reliability score, dynamics, durability
Reliability score
65Medium
Where the price path tends to go next258 observed
  • Stable consensus94%
  • Trend continuation3%
  • Choppy / mean-reverting3%

Short-term motion of the price line (~1h), distinct from the environment above — not a prediction of the final outcome.

DurabilityHigh· half-life ~5d
PredictabilityStable

Secondary read: leaning toward Quote-driven.

A read-only classification of the market environment — how much weight the current price deserves as a read of consensus. It describes conditions, never a trade.

Market data

24h volume

$104.1K

Liquidity

$296.9K

Total volume

$2.2M

Category
Geopolitics
Venue
Polymarket
Open interest
—
Spread
0.2 pts
Best bid
0.8%
Best ask
1.0%
7-day range
0.9% – 1.1%
Resolves
Oct 31, 2026
Change (pts)1H0.06H0.024H-0.27D-0.2

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