Polymarket Resolves Strategy May Bitcoin Sales Market as Didn’t Sell

Polymarket has resolved its prediction market on whether Strategy (formerly MicroStrategy) sold Bitcoin during May with a “Didn’t Sell” outcome, closing a contract that drew heated debate among bettors over the timing and definition of the company’s recent BTC disposal.

The market asked a straightforward binary question: did Strategy sell any Bitcoin in May 2026? When the contract closed, the platform ruled “No,” meaning traders who bet against a May sale collected their winnings.

The resolution came despite evidence that Strategy did dispose of Bitcoin in late May. An SEC filing dated May 30 confirmed the company had sold BTC. However, the filing was not made public until June, creating the central dispute.

How Timing Created the Controversy

The conflict hinged on when the sale was disclosed versus when it occurred. Strategy executed a Bitcoin sale in late May but reported it to the SEC afterward. Polymarket bettors who held “Sold” positions argued the transaction date should determine the outcome.

Those on the “Didn’t Sell” side contended that the market’s resolution criteria required public confirmation within the May timeframe. Since no confirmed, public disclosure existed before June, the platform sided with the “Didn’t Sell” interpretation.

As Polymarket ruled “No” for May and “Yes” for June, effectively splitting the timeline based on when the market received the information rather than when the underlying transaction took place.

What This Means for Prediction Market Traders

The resolution highlights a recurring challenge in prediction markets: contract wording matters as much as the underlying event. Traders betting on corporate actions face the risk that disclosure timing, not the action itself, determines outcomes.

Strategy’s Bitcoin holdings remain a closely watched signal for crypto sentiment. The company’s treasury decisions, including whether it is accumulating or trimming positions, often influence how traders approach major digital assets including BTC and altcoins. Any headline suggesting a sale can ripple across broader token markets.

For Polymarket participants, the episode underscores the importance of reading resolution criteria carefully before placing bets. In a market where sentiment shifts on token burns, unlock schedules, and corporate treasury moves alike, the difference between “when it happened” and “when the market knew” can determine who profits.