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Climate & Culture · Climate & health

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

As of 8 November 2026, the favourite on Polymarket is Over 2.5 at 67%, followed by 2.25–2.5 at 32% and 2.0–2.25 at 3%.

2.25–2.5 moved the most this week: 24% to 32% (+7.5 pts).

Open on the mapRules and result on Polymarket

Chances now

New to this? How to read a market · What the odds mean

OutcomeChance24 hours7 daysTraded, 7 days
Over 2.567%−2.5 pts−5.0 pts$7k
2.25–2.532%+4.5 pts+7.5 pts$8k
2.0–2.253%+0.2 pts+1.2 pts$570

A price of 67% means traders pay about $0.67 for a “Over 2.5” share, which pays $1 if that line resolves Yes. It is the crowd’s estimate, not a forecast by Nimb.

Key facts

Volume and liquidity, explained · How markets resolve · Fees

Largest public holders

WalletHoldsValueUnrealised P&L
0xa5ef…29662.0–2.25 · No$7k–
0xa5ef…29662.25–2.5 · No$5k–
0xa5ef…2966Over 2.5 · No$2k–
0x34db…1b632.25–2.5 · Yes$2k+$501
0x4cfd…bef3Over 2.5 · Yes$1k+$39
bonalddrunkOver 2.5 · Yes$1k−$19
DrkuOver 2.5 · Yes$1k+$21
0x8314…0b88Over 2.5 · Yes$781−$55

Value is shares × the current price of the side held. Wallets holding both sides of the same market are left out: their positions cancel and are not a bet. A dash means the cost basis is unknown. Holders are public data; this is not a signal to copy. How to read holders.

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Prediction markets are risky and you can lose your whole stake. Risk disclosure.