Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Review UK) Pick polygram.ink (preferred broker) |
1% | 99% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Trade this market → |
Polymarket (direct) polymarket.com |
1% | 99% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Trade this market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Trade this market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Trade this market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Trade this market → |
Market context
The real-world event hinges on whether MicroStrategy publicly announces an additional Bitcoin acquisition between 12:00 AM ET on 30 June and 11:59 PM ET on 6 July 2026, regardless of when the actual purchase occurred. This market resolves solely on official disclosures from the company or Michael Saylor within that window, making it a binary test of announcement timing rather than transaction date.
Historically, MicroStrategy has treated Bitcoin purchases as systematic treasury actions, often timed to market dips since its inaugural 21,454 BTC buy in August 2020[1]. In the six months following Bitcoin’s October 2026 all-time high, the firm acquired 174,812 BTC at an average of $81,122, securing 21.4% of its current holdings and pushing its total to 815,061 BTC[2]. Notably, just two weeks after its first Bitcoin sale since 2022, MicroStrategy bought 1,550 BTC for $101 million, lifting holdings to 845,256[3]. This pattern of rapid re-acquisition after sales suggests a 1% crowd-implied probability may understate the likelihood of an announcement, especially given their stated goal of reaching 1 million BTC by year-end[2].
A programmatically focused trader should monitor MicroStrategy’s official purchases page and Saylor’s social channels for real-time alerts, as announcements typically precede formal filings[5]. Key catalysts include quarterly earnings schedules, treasury rebalancing windows, and any sudden shifts in Bitcoin price that might trigger dip-buying behaviour. Recent news confirms MicroStrategy’s aggressive accumulation strategy remains intact, with holdings reaching 847,363 BTC as of late June 2026[4]. Traders using conditional order bots or copy-trading tools should set alerts for keywords like “acquired,” “purchased,” or “additional BTC” in official press releases, as these terms directly resolve the market.
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 Polymarket Review UK, which mirrors the Polymarket order book directly.
Resolution & payout
Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.
Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.
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 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 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.
- 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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