Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
PolyGram Pick polygram.ink |
0% | 100% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on PolyGram → |
Polymarket polymarket.com |
0% | 100% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on PolyGram → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on PolyGram → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on PolyGram → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on PolyGram → |
Live odds for Polymarket-based markets come from the Polygon order book. Non-Polymarket venues show attributes only; clicking any row opens the market on PolyGram.
Active sub-markets
Market context
Jerome Powell’s departure means he stops being Chair of the Federal Reserve Board, not merely that his term expires or that he has said he will leave. In practice, the key question is whether he is still occupying the office by the market’s deadline. Recent reporting suggests he was due to step down as chair by 15 May and remain a governor, which would make the distinction between “chair” and “governor” central to settlement. That is why the current crowd price can look very different across venues: Polymarket typically shows a straight implied probability, while Kalshi and some betting books quote decimal-style contract or odds formats, and fees, spreads and access rules can change the effective price a user sees. KYC also matters: Kalshi’s US reach is broader than offshore books, while Betfair and Smarkets may offer lower-friction access in some jurisdictions but with different commission structures.
The relevant comparison is with prior Fed transitions, where the chair has usually been replaced at the end of a term rather than removed early, and where markets have treated public statements from the White House, Senate confirmation timing, and Fed succession rules as the real signals. Powell’s current chair term, if extended or if a successor is delayed, does not by itself settle this market unless he actually ceases to hold the chair. That means traders should focus on the formal handover, not just headlines about resigning, firing, or staying on as governor.
Catalysts are likely to be official announcements from the White House and the Fed, Senate confirmation of a successor, and the precise date on which a replacement is sworn in. Brookings noted Kevin Warsh’s confirmation on 13 May 2026 and that he would succeed Powell after the chair term expires on 15 May, which would make any delay or acting arrangement the main source of uncertainty. For comparison-shopping, Polymarket may reprice faster on event headlines, while Kalshi’s regulated structure can anchor to clearer legal definitions; Betfair and Smarkets can diverge simply because their markets are priced as odds, net of commission, rather than as a direct probability.
Methodology
We read Jerome Powell departs as Fed Chair by 2026? from four platform perspectives: Polymarket (on-chain CLOB), Kalshi (CFTC-regulated exchange), Betfair Exchange (sports book exchange), Smarkets (peer-to-peer betting exchange). Polymarket's live quote comes directly from the Polygon order book; the other three are listed with their platform attributes — fees, KYC, settlement currency, payment options — because a 1:1 contract comparison without API access would be guesswork.
Resolution & payout
Polymarket settles via UMA Optimistic Oracle on Polygon. A proposer posts the outcome with a bond, the two-hour window runs, then the smart contract pays USDC.
Kalshi settles USD through the CFTC-regulated clearinghouse — the cleanest variant, with heavier KYC. Betfair Exchange settles in account currency (GBP/EUR), net of 2-5% commission. Smarkets follows the same model as Betfair with a lower default 2% commission.
FAQ
- Is this market available outside the US?
- PolyGram is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.
- 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.
- What's the difference between YES and NO shares?
- A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.
- What does it cost to trade on PolyGram?
- Zero. PolyGram routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.
- Do I need to KYC for this market?
- Not under $1,500 of lifetime trading volume. Above that threshold, PolyGram triggers a quick verification flow that finishes in minutes.
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