Polymarket Traders Dispute Strategy Bitcoin Sale Market

Polymarket traders who backed "Yes" in a market asking whether Strategy would sell any bitcoin by May 31 are disputing the outcome after the market resolved against them, according to The Block.

Why It Matters

Prediction market integrity depends on unambiguous resolution criteria — when traders feel a market resolved incorrectly, it erodes trust in the platform and its arbiters. This dispute highlights a structural risk in crypto-native prediction markets: settlement logic can lag behind complex, real-world corporate actions. For bettors, it underscores that position size should account not only for the underlying event probability but also for resolution risk. Platforms like Polymarket rely on crowd-sourced or algorithmic resolution, which can misfire on edge cases involving large, publicly traded entities like Strategy (formerly MicroStrategy).

Context

Strategy, the bitcoin treasury company led by Michael Saylor, holds over 500,000 BTC as of June 2026 and has repeatedly signaled it does not intend to liquidate holdings. The disputed Polymarket market centred on whether any sale occurred before a specific deadline — a question that becomes contentious if on-chain data or corporate filings are interpreted differently by different parties. As of June 2026, Polymarket remains one of the largest decentralised prediction markets by volume, per The Block.

What's Next

Affected traders are expected to escalate disputes through Polymarket's UMA-based optimistic oracle resolution process. The outcome will set a precedent for how similar Strategy-related markets — and corporate bitcoin treasury markets broadly — are adjudicated going forward.

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