TOTAL VOLUME:
$97.4b
24H VOL:
$253,188,585
24H TRANSACTIONS:
951,753,729
OPEN INTEREST:
$2,134,396,915
829,496
Markets across
15,042
events
MATCHED EVENTS:
954
PLATFORM COVERAGE:
5
Polymarket:
45%
VS.
Kalshi:
55%
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This market tracks which named storm will become the first hurricane to form in the Atlantic basin during the 2026 season. On Kalshi, Dolly is the leading outcome at 28.0%, followed by Arthur at 27.0%. The market resolves according to the National Hurricane Center's official categorization of the first Atlantic hurricane between May 15, 2026 and December 1, 2026. Watch the formation of early-season tropical systems as the Atlantic hurricane season approaches its peak, with resolution determined by December 1, 2026.
The market resolves to Yes for whichever pre-assigned name corresponds to the first storm categorized as a hurricane in the Atlantic between May 15, 2026 and December 1, 2026. If no hurricane occurs during this period, all outcomes resolve to No. Resolution is based on official National Weather Service naming and classification of tropical cyclones.
On Kalshi, hurricane name outcomes are priced as binary contracts where each potential name trades independently. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The leading outcome currently shows 37.0% implied probability, with total volume of $127,011 across all name options. Traders buy or sell contracts based on their conviction about which name will be assigned to the first Atlantic hurricane, and prices adjust continuously as new information and trading activity flow in throughout the season.
The market resolves on Dec 1, 2026. Resolution is determined by the official name assigned to the first hurricane declared by the National Hurricane Center in the Atlantic basin during the 2026 season. Once that hurricane receives its name, the corresponding contract on Kalshi settles based on whether the predicted name matches the actual first named storm. Traders holding the correct name contract receive their payout, while incorrect predictions expire worthless.
Market prices will shift as the Atlantic hurricane season progresses and storms develop. Early-season tropical activity, sea surface temperature anomalies, and atmospheric patterns that favor rapid storm formation can all trigger repricing. Real-time National Hurricane Center advisories and tropical weather outlooks will influence trader expectations about which names are most likely to occur first. Additionally, any significant weather pattern changes or seasonal forecast updates from meteorological agencies may prompt traders to adjust their positions, causing odds to move substantially.
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