
What will the peak RONI be for the 2026–27 El Niño?

Apr 1, 2027
$71.01K Vol.
Outcomes

Over 2.5
$30.74K Vol.
74%
74%

1.5–2.0
$3.05K Vol.
<1%
<1%

2.0–2.25
$3.72K Vol.
2%
2%

2.25–2.5
$31.9K Vol.
23%
23%

Under 1.5
$1.59K Vol.
<1%
<1%
Rules
This market resolves based on the peak RONI — the single highest Relative Oceanic Niño Index (RONI) value reported by NOAA's Climate Prediction Center (CPC) across the overlapping three-month seasons ASO 2026, SON 2026, OND 2026, NDJ 2026-27, and DJF 2026-27, as published in official NOAA CPC RONI updates (www.cpc.ncep.noaa.gov/products/analysis_monitoring/enso/roni/). See each individual market for its bracket and full resolution terms.
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