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The Overround / Markets / Elections

2026 Midterms: U.S. House turnout?

Live prices from Kalshi, ordered by what the market thinks. These are raw ask prices, what it actually costs to take the position, margin included.

OutcomeKalshi
115 to 119.99 million 23¢
125 million and above 22¢
120 to 124.99 million 21¢
110 to 114.99 million 19¢
105 to 109.99 million 8.6¢
100 to 104.99 million 4.9¢
90 to 94.99 million 3.7¢
95 to 99.99 million 1.6¢
Less than 90 million

Only outcomes with a live two-sided quote are shown. No Polymarket equivalent was matched with enough confidence to publish, so this page is Kalshi only. Prices as of Thu, 17 Sep 2026 04:55:27 UTC.

The overround on this market

Add up what it costs to back every outcome here and Kalshi's board comes to 105.8%. A fair book sums to 100. The excess is the house's cut, paid by whoever trades, and it is the reason the same opinion costs different amounts in different places. That number is what this site is named after.

Your call

The market says 23%. It got there by making everyone who disagreed put money behind it. You do not have to, so this is the cheap version of the same question, and the interesting number is how far the two drift apart.

23%

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The record

What this market has cost every day since 22 February 2026, taken from the exchange's own published history. The line is the mid price, halfway between what a buyer would pay and a seller would take.

0 25 50 75 100 FebMarAprMayJunJulAugSept 115 to 119.99 mill 22.5 125 million and ab 20.5 120 to 124.99 mill 20

Over this window 125 million and above went from 31.5 to 20.5, a move of 11 points away from happening.

The other 1 contract in this field is left off the chart rather than drawn in a colour nobody could tell apart; it is all in the table above. Kalshi removes a contract from its interface once it settles and Polymarket buries closed events, so this page is the copy that stays put. We also record our own snapshot once a day, independently, because a history published by the house is worth checking against one kept by somebody with no position in it.

See this on Kalshi

What settles this

Settlement source
the Clerk of the House
Contract terms
Kalshi product certification (PDF)
Closes
Wed, 03 Nov 2027 15:00:00 UTC
Resolution, for the 115 to 119.99 million contract
If the total vote count in the 2026 U.S. House of Representatives elections is between 115,000,000 and 119,999,999, inclusive of both endpoints, then the market resolves to Yes.
Ticker
KXHOUSETURNOUT-26NOV03

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