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Politics · Elections abroad

How many UK parliamentary by-elections in 2026?

As of 8 November 2026, the favourite on Polymarket is 6 at 86%, followed by 7 at 8% and 8 at 2%.

6 moved the most this week: 70% to 86% (+17.0 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
686%0.0 pts+17.0 pts$5k
78%−3.0 pts−17.0 pts$2k
82%+0.3 pts−3.4 pts$0

A price of 86% means traders pay about $0.86 for a “6” 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…29668 · No$3k–
0xa5ef…29667 · No$2k–
longliveapples6 · Yes$735+$60
spacegliderr6 · Yes$726+$182

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.