Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via March Madness Predictions) Pick polygram.ink (preferred broker) |
63% | 37% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | See live odds → |
Polymarket (direct) polymarket.com |
63% | 37% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | See live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | See live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | See live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | See live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| June 30, 2027 | 63% |
| December 31 | 42% |
| September 30 | 33% |
| July 15 | 28% |
| February 28 | 0% |
| March 31 | 0% |
Market context
Samuel Alito, aged 76, has given no public indication of retiring and is actively hiring clerks for the next term, with sources confirming he intends to serve into at least 2027[1]. This aligns with recent SCOTUS trends where justices Stephen Breyer and Anthony Kennedy retired in their late 80s, making Alito’s current age well below the typical retirement threshold[4]. Historical precedents show that conservative justices often remain on the bench until health or political pressures force a change, neither of which is currently evident for Alito[2].
Traders should monitor official announcements from Alito, the end of the current Supreme Court term, and any shifts in White House pressure regarding the court’s oldest members[6]. While the White House reportedly seeks to exert pressure on Alito and Clarence Thomas to retire, no formal move has materialised yet[6]. Recent reporting by Jan Crawford of CBS News and Fox News confirms Alito does not plan to retire this year, reinforcing the 0% crowd-implied probability[4]. Watch for any sudden health disclosures or political manoeuvring as key catalysts.
The settlement window ends on 31 December 2026, providing ample time for potential late developments, though current indicators suggest stability[1]. With Alito replacing Sandra Day O’Connor in 2006 and serving nearly two decades, his tenure remains robust[7]. No credible source has reported retirement plans, and the absence of public signals supports the market’s current stance[2].
Methodology
Sports-specific comparison page for Will Samuel Alito announce his retirement by 2026?. Polymarket's live quote (Polygon order book) plus platform attributes for the three reference venues. Sports markets reward liquidity — Polymarket and Betfair are materially deeper than Kalshi or Manifold.
Resolution & payout
Sports markets typically settle on official final-whistle plus league confirmation. Polymarket uses UMA Optimistic Oracle with a source URL per contract — usually official league data feeds or ESPN/Soccerway. Two-hour dispute window, then smart-contract payout in USDC.
FAQ
- Can I bet on individual matches?
- Yes, Polymarket lists every major Premier League / Champions League / World Cup match as its own market. Liquidity varies — top matches like El Clásico or a semi-final often have six-figure pools, lower-league games closer to three-figure.
- What are live sports odds on Polymarket?
- Some top-tier matches stay open during play — you can trade the half-time probability in the 70th minute. Polymarket mid-prices update second-by-second; any frontend mirroring the order book shows the same movement.
- Which sports markets are available?
- Football (soccer) dominates — Champions League, World Cup, Premier League, La Liga, Bundesliga — followed by NFL, NBA, tennis Grand Slams, Formula 1, boxing/MMA. Resolution via official league source confirmation.
- What's the difference between match odds and outright odds?
- Match odds cover a single game ("Bayern beats BVB"). Outright odds are long-term aggregates ("Bayern wins the league"). Outright markets have deeper liquidity; match markets have faster resolution.
- Can I import form data and lineups?
- This page shows the live Polymarket quote as an implied probability. Form data and lineups must be researched separately via sports data providers (e.g. Soccerway, ESPN, FBref) — we surface the market probability, not the sport analysis.
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