Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Bot UK) Pick polygram.ink (preferred broker) |
48% | 52% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Place a position → |
Polymarket (direct) polymarket.com |
48% | 52% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Place a position → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Place a position → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Place a position → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Place a position → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| June 30, 2027 | 48% |
| December 31 | 21% |
| September 30 | 16% |
| July 15 | 1% |
| February 28 | 0% |
| March 31 | 0% |
Market context
Samuel Alito has not announced any intention to retire from the Supreme Court, despite a viral false report in late June 2026 that NPR retracted within minutes. The 76-year-old Justice remains on the bench, and the current 19% crowd-implied probability reflects lingering speculation rather than confirmed intent. Historically, Supreme Court retirements cluster around presidential election cycles or when justices reach advanced age, yet many conservative appointees, including Clarence Thomas and Alito, have served into their late seventies without stepping down. Comparable cases show that even brief hospitalisations—Alito was hospitalised in April 2026—do not automatically trigger retirement announcements, and false signals like the NPR error often inflate short-term probability spikes that quickly correct once official sources confirm continuity.
Traders should monitor three specific catalysts: any official statement from Alito himself, updates from the Supreme Court Public Information Office, and the timing of the Court’s end-of-term rulings in late June each year. The most immediate dependency is whether Alito issues a formal announcement before the settlement deadline of 31 December 2026. Recent reports indicate the White House may be exerting pressure on older justices to retire, but no public confirmation has emerged [8]. Programmatic approaches to this market would involve setting conditional orders triggered by keyword alerts on “Alito” and “retirement” in official feeds, while filtering out unverified social media noise. Copy-trading bots should weight official sources heavily, as the NPR incident demonstrates how quickly misinformation can distort pricing before correction.
Methodology
This page reviews Will Samuel Alito announce his retirement by 2026? across five venues. The live probability is the Polymarket mid-price, sourced directly from the on-chain Polygon order book; the comparison columns benchmark each venue on fee structure, KYC, settlement currency and payment rails. Every CTA routes to Polymarket Bot UK, which mirrors the Polymarket order book at 0% fees.
Resolution & payout
Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.
Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.
FAQ
- Where can I trade this market with the lowest fees?
- Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is Polymarket Bot UK. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- How does resolution work?
- Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.
- How fast are USDC deposits?
- Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.
- Do I need to KYC for this market?
- On Polymarket directly, no — it's wallet-based. Intermediary brokers like Polymarket Bot UK trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.
- How reliable are the quoted odds?
- The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.
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