Polymarket US 2026 Midterms: Balance of Power odds
On Polymarket US, the favourite is Democrats Sweep, at 65%. That is up 4 points over the past week. The market settles by Nov 3, 2026. Each contract pays $1 if it is right, so 65¢ reads as a 65% chance. It also trades on Polymarket, linked below; no Kalshi market is matched yet.
Also on Polymarket: Polymarket's page
Polymarket US · odds · updated
Polymarket US odds on every outcome
Chance is each outcome's Yes price on Polymarket US. A Yes contract at 65¢ pays $1 if that outcome wins.
How the odds have moved
Polymarket US's own series for the outcome the headline prices, from where its history starts; one venue, not a blend.
How this market resolves
The contract is “2026 Midterms: Balance of Power: Democrats Sweep”. Each outcome is its own contract: it pays $1 if it is the answer, and nothing if not. Polymarket US publishes the full settlement rules on the market's page. Read them on Polymarket US (opens in a new tab)
Scheduled resolution: Nov 3, 2026.
How to trade this market on Polymarket US
- Check your state first. A few states restrict some contracts.
- Open a Polymarket US account. It takes US residents only; outside the US, Polymarket is the international exchange. Our Polymarket review covers sign-up and payouts.
- Buy Yes or No at the price shown, 65¢ for Democrats Sweep right now. Each contract pays $1 if you are right.
- Sell any time before it settles, or hold to the result. Polymarket US's fees apply to each trade.
CoinStats may earn a commission on links to venues. Prices are indicative and may differ when you trade.
The same question trades on Polymarket too: Polymarket's page. We have not matched it to a Kalshi market yet. Kalshi vs Polymarket compares the two venues.
More politics markets
Brazil Presidential Election Second Round: Margin of Victory
Polymarket · resolves Oct 25, 2026
$1.3M in 24h on Polymarket
US-Iran ceasefire continues through...
Polymarket · resolves Oct 31, 2026
$1.1M in 24h on Polymarket
Prime Minister of Israel after the next election
Polymarket · Polymarket US · Kalshi · resolves Oct 27, 2026
$910K in 24h on Polymarket
Next French Presidential Election
Polymarket · resolves Apr 18, 2027
$818K in 24h on Polymarket
Israeli Legislative Election
Polymarket · resolves Oct 27, 2026
$751K in 24h on Polymarket
Democratic Presidential Nominee 2028
Polymarket · Polymarket US · Kalshi · resolves Nov 7, 2028
$422K in 24h on Polymarket
Common questions
What are the Polymarket US odds on 2026 Midterms: Balance of Power?
On Polymarket US, the favourite is Democrats Sweep, at 65%. That is a market-implied probability, not a forecast, and it moves as traders buy and sell.
How does this market resolve?
By Polymarket US's own settlement rules for this market. Two venues can word the same question differently and settle differently, so read them before you trade.
Is this question on Kalshi too?
We have not matched it to a Kalshi market yet. When we do, both prices appear side by side here. It also trades on Polymarket: Polymarket's page.
Can I trade this market in my state?
In most states, yes, on Polymarket US. A few states have acted against some contracts. Check your state first.
How accurate are Polymarket US odds?
Often more accurate than polls, though never certain. A price of 70% should lose three times in ten. How accurate prediction markets are has the research.
What does it cost to trade on Polymarket US?
A taker fee on each contract of 0.0695 × price × (1 − price), largest near 50¢; resting (maker) orders pay nothing. Polymarket US's fees has the detail.