Will Samuel Alito announce his retirement by December 31, 2026?

Prediction markets put the probability at 6%: Will Samuel Alito announce his retirement by December 31, 2026. Currently, markets see this as unlikely (6% YES). Two popular prediction market websites placed the odds of U.S.

What’s Happening

The question of whether Supreme Court Justice Samuel Alito will announce his retirement by December 31, 2026, has become a sharply contested data point in political forecasting, with current market pricing placing the probability at just 6% YES versus 94% NO. This represents a dramatic reversal from mid-April 2026, when Kalshi and Polymarket both placed the odds of Alito stepping down before January 1, 2027, at above 50% amid intense speculation fueled by a New York Times report citing people close to the justice. The market’s current skepticism is grounded in a series of concrete events: on July 14, 2026, NPR retracted a story erroneously claiming Alito was retiring, issuing a public editor’s note that neither Alito nor the court’s public information office had made any such announcement [The National Desk, Jul 14].

The pivotal development came on August 8, 2026, when Alito directly confirmed in an interview with The Wall Street Journal that he is not retiring, stating, "I'm here for another term." This explicit public statement, his first on the subject, was designed to dispel the rumors that had roiled conservative legal circles and driven the earlier surge in retirement speculation. Following that confirmation, trading in the Kalshi "When will Justice Alito retire?" market (ticker KXALITOOUT) collapsed, with the probability of a retirement effective before September 1, 2026 falling to under 1%, and the year-end 2026 window settling at roughly 5-6% [Stokastic, Aug 11]. The market now prices the only meaningful chance of a vacancy at the "before July 1, 2027" rung, where bids trade around 30 cents on the dollar, reflecting a belief that Alito will honor his stated commitment to serve another full term [Newsweek, Apr 13].

The stakes of a potential Samuel Alito retirement announcement are exceptionally high because of the political arithmetic of the 115th Congress. With Republicans holding a narrow 53-47 Senate majority, a vacancy would allow President Donald Trump to nominate a third justice, potentially cementing a 7-2 conservative supermajority for decades. However, the window for such a move is narrowing: if Alito were to retire after the November 2026 midterms, the Senate’s composition could shift, making confirmation uncertain. Reuters noted in April that Alito, 76, and Justice Clarence Thomas, 77, have given no public indication of planning to leave their lifetime posts, and the political calculus for a justice to retire mid-term is historically rare [Reuters, Apr 11]. The next key date to watch is the court’s new term beginning on the first Monday of October 2026, when Alito’s participation in oral arguments will serve as the clearest signal of his intentions, and any announcement would likely come either before that session or after the term concludes in late June 2027 [KOA Colorado, Aug 08].

Traded on Polymarket — $812K Volume

Polymarket prices this at 6c YES with $812K in volume. Moderate liquidity — use limit orders for positions above $1K to avoid moving the price.