Polymarket
42% YES
Liquidity $360K
24h Vol $64K
politics market
Democrats net gain 10+ House seats in 2026
Mantis shows this market across 2 venues side by side. Highest: 42% (Polymarket). Lowest: 40% (Kalshi). Spread: 2 percentage points.
Start from all categories or jump back to politics prediction markets if you want adjacent contracts with similar timing or resolution rules.
Current venue comparison
Kalshi
40% YES
Liquidity $220K
24h Vol $48K
Market snapshot
Question wording
Will Democrats net gain 10 or more House seats in 2026?
Resolution window
Nov 3, 2026, 23:59 UTC
Confidence: medium
Assets and settlement
Assets: US House
Chain: Polygon · Collateral: USDC
Best liquidity right now
Polymarket currently shows the deepest visible liquidity at $360K.
Resolution details
Cross-venue spread: 2 percentage points across 2 venues.
Resolution trigger
Democrats must achieve a net gain of 10 or more US House seats versus the prior Congress.
Resolution source
Certified election results / Associated Press race calls.
Restrictions
US persons may be blocked by source platform
Related listings
Related listings show the same market across different venues so you can compare odds, liquidity, and trade on the best-priced platform.
Polymarket
Democrats net gain 10+ House seats in 2026
42% YES
Liquidity $360K
Kalshi
Democrats net gain 10+ House seats in 2026
40% YES
Liquidity $220K
FAQ
What is the current probability for "Democrats net gain 10+ House seats in 2026"?
As of this page load, Polymarket prices this at 42% and Kalshi at 40%. Cross-venue probability differences reflect liquidity and market-maker pricing differences.
How does Mantis compare prediction market odds across venues?
Mantis runs a single natural-language search across Polymarket, Kalshi, Limitless, Myriad, SX Bet, and PredictIt simultaneously. It normalises market identifiers across venues and displays probability, liquidity, and spread side by side so you can find the best available price without switching tabs.
Can I trade this market directly from Mantis?
Mantis is a routing and comparison layer — not a trading venue. Click any venue link to trade directly on that platform with your existing account. Mantis preserves your referral attribution on every outbound link.