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: Jun 17, 11:59 PM EST
Kalshi
This event concerns whether measurable precipitation will occur at Central Park in New York City on June 17, 2026. The outcome depends on whether any amount of rain, snow, or other precipitation is recorded at that specific location on that date.
If the number of inches of precipitation recorded at Central Park, New York on June 17, 2026 is strictly greater than 0, then the market resolves to Yes.
Prediction market odds often diverge from traditional weather forecasts because they incorporate real-time trader behavior, media attention, and emerging data rather than relying solely on meteorological models. While a meteorologist might assign a specific probability based on atmospheric conditions, this market aggregates the beliefs of many participants with financial incentives to be accurate. Comparing the current odds to published forecasts from the National Weather Service or private weather services can reveal whether traders are pricing in more or less rain risk than official models suggest. This divergence frequently highlights information asymmetries or differing interpretations of the same underlying data.
On Kalshi, this market is priced through an automated market maker that converts trader orders into real-time odds for yes and no outcomes. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Traders purchase shares at prices between $0 and $1, with the current price reflecting the implied probability that rain will occur on June 17, 2026 in New York City. As more capital flows into either outcome, the price adjusts accordingly. The spread between bid and ask prices tightens as liquidity increases, allowing larger trades to execute with minimal slippage. Settlement occurs at $1 for the winning outcome and $0 for the losing side.
This market resolves around Jun 18, 2026, after June 17, 2026 has passed and weather data becomes final. The outcome is determined by verifying whether measurable precipitation fell in New York City on that date, confirmed through credible public weather reporting and historical records. Once the event is verifiable, the market settles automatically, with all yes shares paying $1 and all no shares paying $0, or vice versa depending on the actual conditions. Traders holding the winning outcome receive their payout proportional to their position size.
Major weather pattern shifts, seasonal forecasts, and atmospheric anomalies can significantly move this market. If meteorologists issue updated long-range forecasts showing increased or decreased rain probability for mid-June, traders will adjust positions accordingly. El Niño or La Niña conditions, jet stream positioning, and tropical storm activity in the Atlantic can all influence New York City's precipitation outlook. Media coverage of extreme weather or climate patterns may also drive trader sentiment. As June 17 approaches, short-range forecasts become more reliable, typically causing larger price movements as uncertainty narrows and the true probability becomes clearer.