---
title: "Who will be the next Supreme Court justice? — By January 20, 2029"
canonical_url: https://betcrypto.now/events/who-will-be-the-next-supreme-court-justice-by-january-20-2029
status: live
trading_closes_at: 2029-01-21T04:59:00+00:00
total_volume_usd: 735348.44
venues: ["Kalshi", "Polymarket US"]
categories: ["Politics"]
prices_as_of: 2026-10-09T08:23:03+00:00
publisher: BetCrypto
data_api: https://betcrypto.now/api/v1/events/who-will-be-the-next-supreme-court-justice-by-january-20-2029
---

# Who will be the next Supreme Court justice? — By January 20, 2029

Live · $735,348 traded · listed on Kalshi, Polymarket US

## Main market

| Outcome | Probability | Cheapest | Kalshi | Polymarket US |
|---|---|---|---|---|
| Andrew Oldham | 22% | 21¢ on Polymarket US | 23¢ | 21¢ |
| D. John Sauer | 16% | 17¢ on Polymarket US | 18¢ | 17¢ |
| James Ho | 13% | 14¢ on Kalshi | 14¢ | 45¢ |
| Aileen Cannon | 9% | 9.9¢ on Kalshi | 9.9¢ | 45¢ |
| Amul Thapar | 6% | 6.1¢ on Kalshi | 6.1¢ | 45¢ |
| Steven Menashi | 5% | 2¢ on Kalshi | 2¢ | 9¢ |
| Ron DeSantis | 5% | 5¢ on Kalshi | 5¢ | 45¢ |
| Emil Bove | 4% | 4.4¢ on Kalshi | 4.4¢ | 45¢ |
| Ted Cruz | 4% | 4.9¢ on Kalshi | 4.9¢ | 45¢ |
| Patrick Bumatay | 3% | 1.6¢ on Kalshi | 1.6¢ | 7¢ |
| Allison Jones Rushing | 3% | 4.9¢ on Kalshi | 4.9¢ | — |
| Michael Park | 3% | 2.6¢ on Kalshi | 2.6¢ | 15¢ |
| Lawrence VanDyke | 2% | 4.1¢ on Kalshi | 4.1¢ | — |
| Neomi Rao | 2% | 2¢ on Kalshi | 2¢ | 45¢ |
| David Stras | 2% | 3.1¢ on Kalshi | 3.1¢ | — |
| Barbara Lagoa | 1% | 1.8¢ on Kalshi | 1.8¢ | 14¢ |
| Kenneth Lee | 1% | 1.5¢ on Kalshi | 1.5¢ | 45¢ |
| Kathryn Mizelle | 1% | 1.8¢ on Kalshi | 1.8¢ | — |
| Mike Lee | 1% | 1.7¢ on Kalshi | 1.7¢ | 18¢ |
| Kevin Newsom | 1% | 1¢ on Kalshi | 1¢ | — |
| Gregory G. Katsas | 0.5% | 1¢ on Kalshi | 1¢ | 18¢ |
| Matthew Kacsmaryk | 0.4% | 0.5¢ on Kalshi | 0.5¢ | — |
| Stuart Kyle Duncan | 0.4% | 0.4¢ on Kalshi | 0.4¢ | — |
| Stephanos Bibas | 0.3% | 0.4¢ on Kalshi | 0.4¢ | — |
| Mark Martin | 0.3% | 0.3¢ on Kalshi | 0.3¢ | — |
| Britt Grant | 0.3% | 0.3¢ on Kalshi | 0.3¢ | — |
| Tom Cotton | 0.2% | 0.3¢ on Kalshi | 0.3¢ | — |
| Trevor McFadden | 0.2% | 0.3¢ on Kalshi | 0.3¢ | — |
| Patrick Wyrick | 0.2% | 0.3¢ on Kalshi | 0.3¢ | — |
| Evan Young | 0.2% | 0.3¢ on Kalshi | 0.3¢ | — |
| Kristen Waggoner | 0.2% | 0.3¢ on Kalshi | 0.3¢ | — |
| Clint Bolick | 0.2% | 0.2¢ on Kalshi | 0.2¢ | — |
| Kevin Brobson | 0.2% | 0.2¢ on Kalshi | 0.2¢ | — |
| Joan Larsen | 0.2% | 0.2¢ on Kalshi | 0.2¢ | — |
| Allison Eid | 0.2% | 0.2¢ on Kalshi | 0.2¢ | — |
| Kate Comerford Todd | 0.2% | 0.2¢ on Kalshi | 0.2¢ | — |
| Morse Tan | 0.2% | 0.2¢ on Kalshi | 0.2¢ | — |
| Yaakov Roth | — | 1¢ on Kalshi | 1¢ | — |
| Anna St. John | — | 1¢ on Kalshi | 1¢ | 15¢ |
| Matthew Schwartz | — | 1¢ on Kalshi | 1¢ | — |
| Eric Tung | — | 2¢ on Kalshi | 2¢ | — |

## Open on a venue

- [Kalshi](https://betcrypto.now/go/e/292773?via=md)
- [Polymarket US](https://betcrypto.now/go/e/508316?via=md)

---

Probability is the cross-venue consensus (book midpoints, 0–100%). Venue columns are what buying costs there (the ask). Prices move constantly; re-check at the canonical URL or https://betcrypto.now/api/v1/events/who-will-be-the-next-supreme-court-justice-by-january-20-2029.

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