Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Kalshi vs Polymarket) Pick polygram.ink (preferred broker) |
1% | 99% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | View on Polymarket → |
Polymarket (direct) polymarket.com |
1% | 99% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | View on Polymarket → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | View on Polymarket → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | View on Polymarket → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | View on Polymarket → |
Market context
MicroStrategy, now operating as Strategy Inc., has announced it will not acquire additional Bitcoin during the period from 30 June to 6 July 2026, marking its first pause in weekly purchases since late March 2026[3]. This decision directly contradicts the underlying real-world expectation that the firm would continue its aggressive accumulation strategy, which has seen it add over 17,000 BTC in a single week as recently as March 2026[1].
Historically, MicroStrategy’s purchase cadence has been remarkably consistent, with the firm adding Bitcoin in nearly every week since late 2020, often funding acquisitions through common stock or preferred share sales[1]. The current 1% implied probability on the prediction market aligns with the firm’s explicit announcement of non-acquisition, yet diverges sharply from analyst consensus that previously assumed uninterrupted buying; sportsbook lines on similar corporate crypto contracts have rarely priced in such a definitive pause, creating a notable odds gap between prediction markets and traditional betting venues[3].
Traders should monitor Strategy’s official purchase tracker and any regulatory filings for unexpected reversals, though the firm’s Monday announcement appears final[3]. Recent news confirms the company sold 32 Bitcoin in June 2026—its first sale in six years—further signalling a shift in treasury strategy away from pure accumulation[9]. With holdings at 847,363 BTC as of 22 June 2026[4], the firm’s capital allocation priorities now appear to prioritise liquidity over further leverage, making a surprise purchase in the settlement window highly improbable.
Methodology
This page is a comparison snapshot: one live quote, four reference venues with their key attributes, and a single execution path — every trade button routes to Kalshi vs Polymarket, which mirrors the Polymarket order book directly.
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
- Is this market available outside the US?
- Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.
- 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 Polymarket cost to trade?
- Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.
- 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.
Trade Will Microstrategy announce a Bitcoin purchase June … on Kalshi vs Polymarket
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