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Will there be a Super El Niño this winter (2026–27)?

This market will resolve "Yes" if NOAA's Climate Prediction Center reports a Regional Ocean Niño Index (RONI) value of +2.0°C or higher for any of the following seasons: ASO 2026, SON 2026, OND 2026, NDJ 2026-27, or DJF 2026-27, as reported in official NOAA CPC RONI updates, https://www.cpc.ncep.noaa.gov/products/analy…

As of 12 September 2026, the market prices "Yes" at 91% implied probability. The event has traded $8.4K in total ($10 in the last 24h) with $2.3K of liquidity across 1 market. Trading is due to close on 1 April 2027.

24h volume
$10
Total volume
$8.4K
Liquidity
$2.3K
Markets
1
1 Apr 2027
WeatherclimateWeather & Science

Chart, demo trading & order book

MarketWill there be a Super El Niño this winter (2026–27)?
Yes91.0¢
24h Chg
Mkt Vol$8.4K
live
Order bookYes
Market tradeslive · 6s
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Holders and activity

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Markets and probabilities

1 markets
How to read

The percentage is the implied probability of the outcome, between 0% and 100%. For mutually-exclusive markets the sum trends to 100% (no vig). The ▲/▼ arrow shows the change over the selected window (1h/24h/7d/30d) in percentage points (pp). Click a market to see its top holders (with average entry price and position change) and the latest trades.

Will there be a Super El Niño this winter (2026–27)? — Polymarket implied odds · Polytracker