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Who will be the next Supreme Court justice?

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
Andrew Oldham 26¢
James Ho 16¢
Aileen Cannon 9.7¢
Amul Thapar 6.7¢
D. John Sauer
Michael Park 7.6¢
Emil Bove 5.4¢
Ron DeSantis
Ted Cruz 4.8¢
Neomi Rao 2.4¢
Mike Lee 2.3¢
Barbara Lagoa 1.9¢
Patrick Bumatay 1.9¢
Steven Menashi
Gregory G. Katsas
Kenneth Lee 1.8¢
Kevin Newsom

Only outcomes with a live two-sided quote are shown, and 20 contracts trading under a cent are left off. No Polymarket equivalent was matched with enough confidence to publish, so this page is Kalshi only. Prices as of Thu, 17 Sep 2026 04:50:34 UTC.

The overround on this market

Add up what it costs to back every outcome here and Kalshi's board comes to 114%. 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 26%. 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.

26%

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The record

What this market has cost every day since 21 December 2025, 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 DecJanFebMarAprMayJunJulAugSept Andrew Oldham 24.5 James Ho 14.5 Aileen Cannon 8.4

Over this window Andrew Oldham went from 17 to 24.5, a move of 7.5 points toward 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
Library of Congress
Contract terms
Kalshi product certification (PDF)
Closes
Sun, 21 Jan 2029 04:59:00 UTC
Resolution, for the Andrew Oldham contract
If Andrew Oldham is the first person confirmed by the Senate to the position of Justice of the Supreme Court by January 20, 2029, then the market resolves to Yes.
Ticker
KXSCOURT-29

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