Polymarket (Global)

Will the peak RONI for the 2026–27 El Niño be 2.5 or above?

Over 2.5

Updated 40m ago · Settles Apr 1, 27

Polymarket (Global) YES

86¢

Bid 84¢ · Ask 87¢

Pricedger fair probability

88%

Deterministic model estimate

Potential edge

+0.6 pts

On YES after fees · low confidence

Volume

33,685

Fine-print risk

2/100

Resolution-rule audit

Resolution rules — summary

This market resolves "Yes" if the peak RONI for the 2026–27 El Niño is +2.5°C or above. Otherwise, it resolves "No". This market resolves "Yes" as soon as NOAA publishes a RONI value of +2.5°C or above for any listed season. If no listed season reaches +2.5°C, this market resolves "No" once NOAA has published the RONI value for DJF 2026-27. The peak RONI is the single highest Relative Oceanic Niño Index (RONI) value…

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