Strait of Hormuz traffic returns to normal by October 31?

Platform comparison

Market context

The Strait of Hormuz needs a clear rebound in PortWatch’s 7-day average of ship arrivals to reach the 60 threshold, and the current market price of 19% implies that remains an underdog outcome rather than the base case. Recent reporting has shown traffic still badly depressed, with Reuters describing transits as capped or near standstill through mid-August and Reuters/CNBC data pointing to daily counts in the single digits or low teens, far below the level needed for a normal reading.

That history matters because the route has already shown it can recover sharply after de-escalation, but it has also snapped back lower whenever security risk flares. Earlier rebound episodes lifted traffic quickly after ceasefire or deal headlines, yet fresh attacks and naval warnings repeatedly interrupted that process, which is why the consensus still leans against a full normalisation by month-end. The value case for YES is a fast, sustained reopening and a data catch-up in PortWatch’s published series; the contrarian NO case is that any rerouting, delays, or another incident keeps the rolling average pinned well under 60.

Traders should watch for any new maritime security announcements, US-Iran signalling, carrier routing changes, and PortWatch publication timing, since the market settles on the reported 7-day moving average rather than real-time vessel counts. Reuters has recently noted that traffic remained below August averages even when it improved from the worst days, while CNBC highlighted ongoing rerouting and a low five-day transits average, both of which suggest the hurdle for a YES resolution is still high.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page reviews Strait of Hormuz traffic returns to normal by October 31? across five venues. The live probability is the Polymarket mid-price, sourced directly from the on-chain Polygon order book; the comparison columns benchmark each venue on fee structure, KYC, settlement currency and payment rails. Every CTA routes to Who Will Win 2026, which mirrors the Polymarket order book at 0% fees.

Resolution & payout

At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.

On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.

FAQ

How does resolution work?

Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.

What's the difference between YES and NO shares?

A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.

What does Polymarket cost to trade?

Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.

How fast are USDC deposits?

Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.

How reliable are the quoted odds?

The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.