Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via BTC Prediction) Pick polygram.ink (preferred broker) |
43% | 57% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open live market → |
Polymarket (direct) polymarket.com |
43% | 57% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open live market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open live market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open live market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open live market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| October Meeting | 43% |
| September Meeting | 30% |
| July Meeting | 9% |
| April Meeting | 0% |
| June Meeting | 0% |
Market context
The Federal Reserve is widely expected to cut rates in December 2025, with the target federal funds rate projected to fall to 3.50%–3.75%, making a rate hike during the specified window virtually impossible under current economic conditions. Historical precedent reinforces this outlook: the Fed has not raised rates in a tightening cycle since July 2023, when the rate peaked at 5.25%–5.50%, and has instead pursued a consistent easing path through late 2024 and 2025, with three consecutive 25-basis-point cuts already implemented by December 2025[5][7]. The 0% crowd-implied probability for a hike aligns with bond market signals, which suggest an 87% likelihood of a December cut, and CME FedWatch data confirming an 88% probability of a quarter-point reduction[2][4].
Traders should monitor the 5 December PCE data release, the Fed’s primary inflation gauge, and the 9–10 December FOMC meeting statement, dot plot, and Powell’s press conference for any deviation from the dovish consensus[1]. Key dependencies include unemployment trends, which have risen recently, and inflation remaining above the 2% target, potentially delaying further cuts into 2026 but not reversing the easing trajectory[2][4]. In crypto markets, USDC settlement on-chain and BTC/ETH macro correlations remain sensitive to Fed policy shifts; whale flows and funding rates on exchange spot venues may react sharply if inflation data surprises, though current projections indicate continued rate cuts rather than hikes[1]. The CME FedWatch tool remains the definitive resolution source for rate move probabilities, and its current readings strongly disfavour any upward adjustment[8].
Methodology
Methodologically this overview focuses on on-chain pricing: Polymarket's live mid comes from the Polygon conditional-token order book and settles automatically in USDC. The other three venues — Kalshi, Betfair, Manifold — sit alongside as off-chain reference points so you can see how the contract translates across regulatory and settlement regimes.
Resolution & payout
Settlement is on-chain via UMA Optimistic Oracle. A proposer posts the outcome with a bond, a two-hour dispute window opens, then the smart contract lifts winning conditional tokens to 1 USDC and sends payments to holders' wallets automatically. No withdrawal fees beyond Polygon gas.
Off-chain venues (Kalshi, Betfair, Smarkets) settle in local fiat through bank-side clearing — faster than SWIFT, slower than on-chain. Manifold pays no real cash.
FAQ
- What are crypto prediction markets?
- Crypto prediction markets are on-chain smart contracts where you buy YES or NO shares on a future crypto event (e.g. "BTC above $100k by year-end"). The market price between 0¢ and 100¢ is the implied probability.
- Why USDC and not ETH or USDT?
- USDC is the Polygon standard — audited reserves (Circle, monthly attestation), deepest order book, low gas costs. ETH volatility would distort probability quotes; USDT has thinner Polygon liquidity than USDC.
- What does a transaction cost on Polygon?
- Polygon gas is typically under $0.01 per transaction. A full trade cycle (Approve + Order + Fill) totals around $0.03 — compared to $5-50 on Ethereum mainnet.
- How volatile are crypto prediction markets?
- Crypto markets react to spot prices — a 5% BTC move typically shifts a "BTC above X by date" market 10-20%. Polymarket crypto market liquidity is usually six-figure USD, sufficient for active trading.
- Are crypto prediction markets taxable in the US?
- In the US, prediction market gains are typically treated as ordinary income or short-term capital gains depending on holding period. Consult a tax professional for your specific situation — we cannot provide tax advice.
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