Another S&P 500 Company buys Bitcoin by December 31, 2026?

Prediction markets put the probability at 38%: Another S&P 500 Company buys Bitcoin by December 31, 2026. Currently, markets are divided (38% YES, 62% NO). Hyperscale Data Bitcoin Treasury at Approximately 692 Bitcoin.

What’s Happening

The probability that another S&P 500 company will purchase Bitcoin by December 31, 2026, currently stands at 38% YES versus 62% NO, reflecting cautious market sentiment despite recent corporate accumulation. On May 17, 2026, Hyperscale Data (NYSE American: GPUS), an AI data center firm, disclosed it held 692.4093 Bitcoin, valued at approximately $53.6 million based on a Bitcoin closing price of $77,429 that day. This announcement, published in the Financial Times on May 19, 2026, underscores a growing trend of non-financial corporations adding Bitcoin to their treasuries, though the scale remains modest relative to the S&P 500’s total market capitalization. The market is now weighing whether this signals a broader shift or remains an isolated move by niche tech firms. [Financial Times, May 19]

Adding to the corporate Bitcoin narrative, SpaceX revealed in a May 21, 2026 SEC filing that it holds 18,712 Bitcoin, worth roughly $1.45 billion at current prices, as reported by Gizmodo. This disclosure, far exceeding prior blockchain tracker estimates, highlights that private and publicly traded entities are quietly accumulating Bitcoin, potentially influencing the likelihood of another S&P 500 company buying Bitcoin before the 2026 deadline. The S&P 500 itself has shown mixed signals: on May 5, 2026, the index hit a new all-time high amid tech rallies, but by May 7, 2026, it retreated from records as oil prices surged on Middle East tensions, according to Investopedia. These macro headwinds—including rising bond yields and geopolitical risk—may deter risk-averse corporate treasurers from adding volatile crypto assets. [Gizmodo, May 21]

Looking ahead, the key catalyst for another S&P 500 company buying Bitcoin will likely be regulatory clarity and institutional adoption signals. Bitcoin’s price action near the $77,000 level, as seen in Hyperscale Data’s valuation, suggests strong support, but the asset remains sensitive to macroeconomic shifts—oil prices rose sharply on May 18, 2026 after President Trump’s ultimatum to Iran, while the S&P 500 futures fell, per Investopedia. On-chain data from The Block shows whale wallets accumulating steadily since April 2026, but ETF flows have been mixed, with net outflows on days of geopolitical stress. The 62% NO probability implies traders expect no major corporate adoption before year-end, possibly due to the lack of a clear regulatory framework from the SEC or the Federal Reserve. Without a definitive policy shift or a high-profile S&P 500 firm like Apple or Microsoft making a treasury allocation, the market may remain skeptical. [Investopedia, May 18]

Traded on Polymarket — $132K Volume

Polymarket prices this at 32c YES with $132K in volume. Moderate liquidity — use limit orders for positions above $1K to avoid moving the price.