TOTAL VOLUME:
$134.1b
24H VOL:
$133,388,117
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,436,095,462
405,232
Markets across
30,526
events
MATCHED EVENTS:
2,693
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: May 23, 8:00 PM EST
Polymarket
This market tracks the number of commercial ships transiting the Strait of Hormuz during the week of May 18–24, 2026, counting container, dry bulk, roll-on/roll-off, general cargo, and tanker vessels. On Polymarket, the leading outcome—40 to 59 transits—stands at 100.0%, while 80 or more transits is priced at 0.1%. Resolution will be determined by IMF Portwatch's official transit calls data for the Strait of Hormuz. Watch for IMF Portwatch to publish final transit data for May 24, 2026, which will trigger resolution as soon as that day's figures are released.
Prediction markets like Polymarket differ fundamentally from traditional sportsbooks. Sportsbooks set fixed odds and profit from the spread; prediction markets are peer-to-peer exchanges where odds reflect live consensus probability. The Strait of Hormuz shipping question is not typically offered by conventional sportsbooks, as it falls outside sports betting. Prediction market participants trade based on geopolitical analysis, shipping data, and regional stability assessments rather than historical betting patterns, making them a distinct pricing mechanism for non-sports events.
The market resolves on May 24, 2026, marking the end of the May 18–May 24 observation window. Resolution is determined by verified data on the actual number of ships that transited the Strait of Hormuz during that week. The specific outcome criteria—whether the threshold is 80 ships or another figure—determines which traders receive payouts. Official shipping traffic records and maritime monitoring sources provide the basis for final settlement.
Shipping traffic through the Strait of Hormuz is sensitive to geopolitical tensions, sanctions, regional conflicts, and maritime security incidents. Announcements of military exercises, blockades, or attacks on vessels can sharply reduce transit volumes. Conversely, diplomatic breakthroughs or improved regional stability may increase traffic. Oil price movements and global demand shifts also influence shipping patterns. Weather disruptions, port congestion, and international trade policy changes are additional catalysts. Traders monitor news from Iran, the UAE, Saudi Arabia, and global energy markets closely as the May 18 week approaches.