TOTAL VOLUME:
$154.6b
24H VOL:
$323,326,361
24H TRANSACTIONS:
2,984,640,614
OPEN INTEREST:
$1,969,435,260
419,363
Markets across
40,411
events
MATCHED EVENTS:
4,612
PLATFORM COVERAGE:
5
Polymarket:
37%
VS.
Kalshi:
63%
Closed: Oct 27, 7:59 AM EST
Kalshi
This event tracks whether Miami will experience significant rainfall during October 2026, measured by total precipitation exceeding various thresholds. Participants assess the likelihood of different rainfall levels based on climate patterns and forecasts. The outcome depends on official weather reports, ensuring standardized verification.
The event evaluates multiple precipitation thresholds for Miami during October 2026, each defining a separate market outcome. For any threshold, if the officially reported total precipitation at CLIMIA exceeds that specific amount, the corresponding market resolves to Yes; otherwise, it resolves to No. All markets rely on the same authoritative TWC Report (Daily) as the definitive source for precipitation data, ensuring consistency across thresholds despite variations in public weather services. This structure allows participants to bet on the probability of rain falling above 1, 2, 3, 4, 5, 6, or 7 inches, with each threshold representing an independent but interrelated condition.
Comparing prediction market odds to analyst forecasts reveals how collective intelligence differs from expert opinion. Currently, the implied probability from this market reflects traders’ beliefs about rainfall in Miami during October 2026. Traditional weather analysts may offer forecasts based on historical data and climate models, but these can diverge from the wisdom of the crowd. If analysts predict a higher or lower chance of rain than the price of this market suggests, it could indicate an opportunity for informed traders, or a disagreement about underlying factors influencing the weather. It’s important to consider both perspectives when evaluating the potential outcome.
On Kalshi, this market is priced through a continuous auction where traders buy and sell contracts representing their belief about whether it will rain in Miami during October 2026. The price of a contract ranges from 0 to 100, representing the probability of the ‘yes’ outcome (rain). As more traders buy ‘yes’ contracts, the price increases, indicating growing confidence in rain. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The market’s price dynamically adjusts based on supply and demand, reflecting the aggregated predictions of all participants. This creates a real-time assessment of the likelihood of the event occurring.
This market resolves around Nov 2, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Specifically, the resolution will be based on whether a measurable amount of rain – at least 0.01 inches – falls at any point during the month of October 2026 in Miami, Florida. Data will be sourced from established meteorological organizations to determine if the conditions for a ‘yes’ outcome have been met. The final price of the contracts will reflect the actual occurrence of rain during that timeframe.
Several signals and events could significantly move this market before it resolves. Long-range weather forecasts released by major meteorological agencies will be closely watched, as will any updates on El Niño or La Niña patterns, which can influence rainfall in Florida. Major hurricane activity in the Atlantic during the 2026 hurricane season could also impact the market, potentially increasing the perceived probability of rain. Unexpected shifts in climate models or scientific studies regarding long-term weather trends could also cause traders to reassess their positions and adjust the price of contracts in this market.