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

As of September 2, 2026, Polymarket prices “Another S&P 500 Company buys Bitcoin by December 31, 2026?” at 13% YES with $135K traded. No tracked wallet holds a position on this market, so there is no verdict.

Given Strategy's aggressive accumulation and Saylor's hints, another S&P 500 firm adopting Bitcoin by end-2026 remains unlikely, with current odds at 13% YES.

What’s Happening

Corporate Bitcoin adoption among S&P 500 companies remains a focal point for investors, with the probability of another index member adding the asset to its treasury currently assessed at 13% for the period ending December 31, 2026. The market leader in this trend, Strategy (formerly MicroStrategy), resumed its accumulation in late August after a 10-week pause, purchasing 535 BTC for roughly $43 million and lifting its total corporate stack to 818,869 coins [Yellow, Mon Mar 30]. This activity follows a period of volatility for the asset, with Bitcoin trading near $78,557 on August 31, 2026, reflecting a 0.5% decline on the day [Motley Fool, Mon Aug 31]. The question of whether another S&P 500 company buys Bitcoin hinges on whether these treasury moves by early adopters create sufficient board-level pressure for diversification into digital assets.

The recent buying spree has had measurable knock-on effects across equity markets. When Strategy ended its silence with a $370 million purchase, shares of Strive, a rival asset manager with a Bitcoin-focused strategy, jumped 7% in response [247wallst, Mon Aug 31]. This correlation underscores how institutional allocation decisions directly influence valuations for firms with crypto-heavy balance sheets. Notably, Strategy has also begun selling small amounts of Bitcoin, including a $2.5 million divestiture in early June, as part of a new strategy centered on its STRC yield-bearing security [CNBC, Mon Jun 01]. The company aims to transform its holdings into a credit engine, using investor demand for income products to grow its stack faster than simple buy-and-hold tactics, a model that could influence how other corporations view Bitcoin as a treasury reserve asset.

Looking ahead, the trajectory for another S&P 500 company buying Bitcoin depends on several macro and regulatory factors. Michael Saylor has publicly stated his expectation that Bitcoin will outperform the S&P 500 over time, and he recently teased a "Think Even Bigger" purchase strategy following a $1 billion acquisition in April [Yellow, Mon Mar 30]. Institutional flows remain a key metric, with analysts noting that BlackRock's involvement has historically contributed to price appreciation, including an 11% rise in Bitcoin attributed to that firm's actions in late 2025 [Fortune, Thu Dec 04]. As of late August, the S&P 500 index stood at 7,676.30, down 0.5%, while the Dow Jones Industrial Average was at 53,205.60 [247wallst, Mon Aug 31]. Whether a second index heavyweight follows Strategy's lead will likely depend on sustained price stability above the $75,000 support level and clearer regulatory guidance from Washington regarding corporate crypto holdings.

Traded on Polymarket — $135K Volume