Current implied probability
6 38%-2.5%Leader of 6 outcomes
Market quality
64 / 100
Medium quality24h Volume
$601.4
Liquidity
$26.8K
High liquidityBid / Ask
36.0% / 40.0%
Spread
11.1%
Wide spread7d Change
-3.5%
Market data
Updated 14 minutes ago
Jul 8, 26, 11:35 PMDec 31, 26, 11:59 PM
Trends
Paper funds only — no real moneyNot financial advice
Selected outcome
638%
Compare venues· 6
Ranked by market quality, then liquidity and 24h volume| Venue | Quality | Probability | vs reference | 24h Vol | Liq | Freshness | |
|---|---|---|---|---|---|---|---|
 PolymarketThis pageBest overall | Medium | 38% | — | $601.4 | $26.8K | 14 minutes ago | |
 Kalshi96% match · auto | Low | 99% | — | $0 | $1.6K | 14 minutes ago | Open → |
Also available on Kalshi
How many UK parliamentary by-elections in 2026?
5mo
99%
93%
79%
+2 more outcomes
40 • Low qualityModerate spreadLow liquidityThin market
Total Vol$2.3K
24h Vol$0
KALSHIRules
This market will resolve according to the total number of UK parliamentary by-elections held in 2026.
- Qualifying by-elections must be elections to the UK House of Commons for a vacant parliamentary seat, with polling day scheduled and held within the 2026 calendar year.
- The resolution source for this market will be a consensus of credible reporting.
- In case of ambiguity, this market will resolve solely based on official information from the UK Parliament (https://www.parliament.uk/).
Probabilities may differ due to different market structures, fees, and participant pools.
Volume trend
$601Jul 918d of dataJul 26
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This market will resolve according to the total number of UK parliamentary by-elections held in 2026.
- Qualifying by-elections must be elections to the UK House of Commons for a vacant parliamentary seat, with polling day scheduled and held within the 2026 calendar year.
- The resolution source for this market will be a consensus of credible reporting.
- In case of ambiguity, this market will resolve solely based on official information from the UK Parliament (https://www.parliament.uk/).