TOTAL VOLUME:
$134.2b
24H VOL:
$126,324,530
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,434,646,834
406,019
Markets across
30,401
events
MATCHED EVENTS:
2,689
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: May 28, 4:00 AM EST
Kalshi
On May 27, 2026, the National Weather Service will record the overnight low temperature in Las Vegas, Nevada. This event captures the full range of possible minimum temperatures that could occur that day.
On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. On Kalshi, the lowest temperature in Las Vegas on May 27, 2026 is priced through binary or range-based contracts that allow traders to bet on specific temperature thresholds. Prices reflect the probability that the actual low will fall within or outside defined ranges. As traders buy and sell contracts, prices adjust to balance supply and demand. The market typically tightens as May 27 approaches and actual weather patterns become clearer. Kalshi's pricing mechanism ensures that contract values always sum to one hundred cents, making odds transparent and comparable across different temperature scenarios.
The market resolves on May 28, 2026, after the lowest temperature for May 27, 2026 in Las Vegas has been recorded and verified. Resolution timing allows for official data collection and confirmation from meteorological sources. The specific temperature reading that determines the outcome is anchored to a defined measurement standard, ensuring all traders reference the same official source. Once the low temperature is confirmed, the market settles and payouts are distributed according to which contracts correctly predicted the outcome.
Several factors could shift odds for the lowest temperature in Las Vegas on May 27, 2026. Major weather pattern changes, such as shifts in high-pressure systems or unexpected cold fronts, would move markets significantly. Updated seasonal forecasts and long-range weather models released closer to May will influence trader positioning. Historical temperature anomalies or climate data revisions could alter baseline expectations. Real-time atmospheric conditions in late May, including jet stream positioning and moisture patterns, will drive final price adjustments. Traders also monitor broader climate indices and regional weather alerts that might signal unusual conditions for that specific date.