Polymarket is facing a credibility test over an $80 million prediction market that hinged on the timing and confirmation of a Bitcoin sale. The dispute isn’t about whether Bitcoin was sold, but about how markets resolve borderline outcomes when confirmation comes after the cutoff. The market question was whether Strategy—a bitcoin treasury company formerly MicroStrategy—sold any Bitcoin before midnight on May 31. Strategy’s June 1 filing said it sold 32 Bitcoin between May 26 and May 31, at an average price of $77,135 per coin, for about $2.5 million.
The controversy centers on how Polymarket handled the evidence window. Polymarket added extra context to the market saying that if confirmation of a sale emerges outside the market’s time window, it does not qualify for resolution. So traders backing “Yes” point to the reported sale dates, while those backing “No”—and ultimately Polymarket’s interpretation—focus on the fact that the disclosure arrived after the deadline. That puts the core issue on timing, verification, and how precisely market language is applied.
For a market with roughly $80 million in volume, the bigger takeaway is trust. When a result turns on the gap between an event happening and proof of that event becoming public, traders need resolution language that is clear enough to avoid this kind of dispute.