Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Robinhood Prediction Markets) Pick polygram.ink (preferred broker) |
6% | 94% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Go to the live market → |
Polymarket (direct) polymarket.com |
6% | 94% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Go to the live market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Go to the live market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Go to the live market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Go to the live market → |
Market context
Satoshi moving any Bitcoin in 2026 means an Arkham-labelled wallet attributed to Satoshi Nakamoto would need to show an *outflow* or *swaps* transaction before year-end; incoming tribute payments do not count. Arkham’s own research still groups Satoshi as the largest BTC holder at roughly 1.096 million coins across about 22,000 addresses, and it says the associated wallets have shown no confirmed outgoing activity, which helps explain why the crowd-implied price is only 6% YES.[16][2]
That low figure is broadly consistent with the market’s history: Satoshi-linked wallets have remained dormant for more than 15 years, while recent “activity” has usually been noise, such as the February 2026 transfer of 2.565 BTC to the Genesis address, which multiple reports said was an external send rather than Satoshi moving coins.[2][3][6] Comparable contracts on Polymarket and Kalshi have recently been quoted in the high single digits, but traders should read the pricing differently: Polymarket shows the market-implied probability directly, whereas Kalshi and Betfair-style books usually translate into decimal prices or percentages after fees, with KYC and access rules varying by venue.
The main catalyst to watch is any on-chain move from Arkham’s Satoshi entity page, not media speculation alone. Recent coverage has also highlighted dormant “Satoshi-era” wallets reactivating and large legacy BTC transfers, which can keep attention on old coins even when they are not Satoshi-controlled.[1][4][10] For this market, the practical dependency is simple: if Arkham updates the entity with an outflow or swap from a labelled Satoshi wallet during the settlement window, the contract likely resolves YES; absent that, the long-standing pattern of zero spends keeps NO the base case.
Methodology
We read Will Satoshi move any Bitcoin in 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 mid is the canonical probability; the side-by-side columns benchmark fees, KYC, settlement currency and deposit rails so you can choose the venue that fits your jurisdiction and trade size.
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
- Polymarket vs Kalshi — which is better?
- Depends on your location. Kalshi is CFTC-regulated, US-only with full KYC. Polymarket is global, on-chain, no KYC up to $1,500. Polymarket has ~10x higher liquidity but higher regulatory risk.
- Which platform has the deepest liquidity?
- Polymarket — by a wide margin. Top markets reach $50-500M volume, Kalshi ~$200M cumulative, Betfair similar. Deeper liquidity means your trade moves the quote less.
- Is Betfair a Polymarket alternative?
- Only partially. Betfair Exchange is UK-focused with a sports-betting emphasis; they have politics markets but with thinner liquidity than Polymarket. Settlement in GBP/EUR, 2-5% commission on winnings.
- Which platform is accessible globally?
- Polymarket is geo-blocked in the US/UK/EU. Kalshi is US-only. Betfair and Smarkets are UK-restricted. Robinhood Prediction Markets has a different geo footprint and routes to Polymarket's order book at 0% fees.
- Which platform supports Klarna/SOFORT?
- Directly: none. Polymarket accepts only USDC on Polygon. Robinhood Prediction Markets offers a fiat on-ramp via Klarna or SOFORT (DE/AT/CH) and converts internally to USDC for the Polymarket order book. T+1 processing.
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