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Strategy sold <a href="https://jpykr.com/btc-usd/">bitcoin</a> in late May, and told the market in June. Here’s how Polymarket bettors are fighting over when it counts.Markets

What to know:

  • A $79 million Polymarket bet on whether Strategy (MSTR) sold bitcoin by May 31 hinges on whether the contract is governed by the date of the sale itself or the later date of its public disclosure.
  • One camp argues the market is event-based and should resolve “Yes” because Strategy’s own filing dates the 32 BTC sale inside the window, while another insists only information knowable by the May 31 deadline counts and therefore the market must resolve “No.”
  • A smaller group says the rules were too vague to resolve at all, even as Polymarket has since endorsed the “No” interpretation, leaving the final decision to UMA token holders, who have previously diverged from the platform.

Polymarket users bet on whether MicroStrategy (MSTR) sold any Bitcoin before June 1st. MicroStrategy reported selling 32 BTC between May 26th and May 31st. This sparked a $79 million disagreement among bettors about when a sale should be considered official – the date it occurred, or the date it was publicly announced.

The disagreement centers on how to interpret a specific part of the rules. The rules ask if Strategy sold bitcoin “by 11:59 PM ET on May 31st,” but it’s unclear if this means the sale itself had to happen by that time, or if the sale just needed to be officially recorded by then.

The trades were made between May 26th and 31st and were officially recorded as of May 31, 2026, at 4:00 p.m. Eastern Time – all within the allowed timeframe. However, the official report about these trades wasn’t filed until June 1st, after the market closed. This means the date of the trades themselves was before the deadline, but the report was filed after. The central question in this dispute is which date – the trade date or the filing date – should be considered for compliance.

The disagreement splits into three sides, and it’s reflected in how people are voting on UMA. One group believes the market should be settled as ‘Yes’ because Strategy’s official paperwork shows the sale happened before the cutoff date.

One person believes the outcome should be “No” because the sale wasn’t confirmed before trading ended. Another argues it’s too soon to decide, pointing out the rules didn’t clearly define when a resolution could be made and that we needed to wait for Strategy’s official report.

CoinDesk reviewed discussions on Polymarket and UMA’s Discord servers, and used AI to help summarize the main points of disagreement between the different sides.

The ‘Yes’ case: the sale is what matters

This group views the market as focused on specific events. They believe a trade will resolve as “Yes” if the company sells any of its Bitcoin by the given deadline, even if the sale isn’t publicly announced.

Strategy’s own reporting shows the 32 BTC were sold between May 26th and May 31st, 2026, with the data recorded as of 4:00 p.m. Eastern Time on May 31st – which falls within the relevant timeframe. Since the rules state that information from MSTR (MicroStrategy) is the main source of truth, they believe this report proves the sale occurred.

Many also mention that Strategy releases reports every week, typically on Mondays. This means a sale happening late in the month couldn’t be verified before the month’s deadline. Therefore, a ‘No’ result often indicates a prediction about when reports are filed, not necessarily about the sale itself.

The ‘No’ case: only what was knowable by the deadline counts

This group believes the market’s outcome depends solely on information available up to a specific time. They point to previous Polymarket markets that were decided based only on what was known at the time. They argue that the 11:59 p.m. ET deadline created a fixed point in time – anything happening after that couldn’t change the result, and no confirmation of a sale existed when the answer was submitted on June 1st.

Critics point out that the phrase “as of May 31st” wasn’t used until the filing made on that date. The core issue is about fairness – allowing disputes to delay market closure until supporting evidence emerges could let anyone justify extending deadlines to manipulate bond prices.

The ‘too early’ case: the rules can’t resolve this yet

Some experts believe the market’s rules were written so poorly that it couldn’t be resolved fairly. They point out that the rules state the sale must happen *on* a specific date, not *by* that date, creating ambiguity and a lack of a clear deadline.

With Strategy’s report expected soon, one side argues the market should have remained open until the report was released, claiming the original deadline was invalid. The opposing side counters that the rule in question doesn’t apply, as the actual sale happened before the deadline – the initial proposal wasn’t submitted too early, only the confirmation was delayed.

Polymarket’s clarification, and the catch

After initial uncertainty, Polymarket clarified its position, explaining that no evidence from MicroStrategy, blockchain data, or reliable sources confirmed a sale during the relevant period. They specified that information received after the market closed wouldn’t be considered. As a result, traders reacted strongly, and the price of the May 31 contract predicting a ‘Yes’ outcome plummeted from 81% to less than 1%.

Polymarket doesn’t make the ultimate decision; UMA token holders do, and they’ve disagreed in the past. For example, in 2024, UMA determined that Barron Trump wasn’t connected to the DJT memecoin, but Polymarket ignored that ruling and still paid out those who bet against it. Currently, however, the two platforms seem to be in agreement.

The sale everyone can see is trading at less than a penny.

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2026-06-02 08:15