Which Supreme Court justices will resign during Trump's term?

**Stage 1 — Blind analysis (ignore market prices):**

- The supplied reporting shows Clarence Thomas remains an active justice and recently participated in Court opinions, with no announced plan to resign. The constitutional baseline is life tenure, so any departure would be voluntary (resignation/retirement), death, or an extraordinary removal (impeachment and conviction), the latter historically vanishingly rare.

- *Age and baseline medical/mortality risk:* A sitting justice in his late 70s has a meaningful, though not dominant, probability of either serious health decline or death over a four-year window. Even absent publicized health problems, age raises but does not dominate the odds of exit.

- *Strategic-retirement incentives:* Historically, many justices have timed retirements to coincide with a friendly president to preserve ideological balance. That dynamic can increase the chance of retirement for ideologically motivated justices. However, some justices prefer to remain on the bench far into advanced age and do not retire even when a sympathetic president is available.

- *Behavioral and historical signals specific to Thomas:* The available context indicates no concrete signals of intent to step down. Thomas has historically shown a pattern of remaining active rather than signaling imminent departure. There is no sourced reporting here of health problems, staff changes, or internal court dynamics pointing to a near-term exit.

- *Extraordinary routes (impeachment/conviction, forced removal):* These are extremely low-probability paths in modern history. While scandals could increase political pressure, the constitutional removal process is unprecedentedly difficult, so treat this as a small tail risk.

Combining these elements: estimate components roughly as (illustrative, not additive precision): mortality/serious-health-driven exit over 4 years ~7–12%; voluntary retirement for strategic reasons ~5–10%; resignation due to scandal/political pressure or other forced exit ~1–3%. Aggregating conservatively gives an independent probability around **20%** that Thomas resigns during the Trump term.

**Stage 2 — Market calibration (after viewing prices):**

- Current market price: Yes = 0.31, No = 0.69. The market-implied Yes probability (31%) is meaningfully above my independent 20% estimate.

- Possible reasons the market prices higher than my assessment: - Traders may be pricing correlated risk across multiple justices (if bettors expect several retirements, markets for individual justices become co-influenced), pushing prices up for each seat. - Narrative-driven bets: high-profile controversies, rumors, or partisan attention can attract speculative capital and push probabilities above fundamentals, especially if traders overweight headline risk. - Risk-premia and hedging: some participants might be buying Yes as a hedge against catastrophic scenarios or for portfolio reasons, creating demand-driven upward pressure. - Liquidity and behavioral noise: given the market volume (~73k contracts), active flows can move prices away from fair value; market participants may anchor on age alone and overestimate retirement/death risk.

- Calibration conclusion: The market seems to overstate Thomas' probability of leaving during the term by ~10–12 percentage points versus my independent estimate. That gap could reflect non-fundamental speculative demand or legitimate differences in how traders model correlated retirements or unreported health information. If trading, an evidence-based strategy would be to view Yes as slightly overpriced and No as offering value relative to my model.