According to Charlie Bilello, the S&P 500 ended 2025 up 17.9% on a dividend-inclusive basis, exceeding expectations for the year, with the update shared alongside the SPX ticker and his newsletter link. Source: Charlie Bilello, X post on Dec 31, 2025; bilello.blog newsletter. For crypto traders, this equity strength is relevant because Bitcoin and U.S. equities have shown higher return correlations since 2020, indicating shared risk sentiment that can transmit across markets. Source: International Monetary Fund, Crypto Prices Move More in Sync with Stocks, 2022. The IMF has also highlighted increasing spillovers from equity markets to crypto assets, reinforcing the need to track SPX moves when positioning BTC and ETH. Source: International Monetary Fund, Crypto-Stock Correlations and Financial Stability, 2022.

According to @EricBalchunas, the first 'return stacking' ETF, the REX Shares' Return Stacked U.S. Stocks & Bitcoin & Gold ETF (RSBT), has launched today, offering investors 200% exposure by combining US equities with both Bitcoin futures and gold futures. This innovative ETF structure allows traders to access leveraged returns from traditional and crypto assets within a single fund, streamlining portfolio diversification and risk management. Market participants should watch for increased crypto integration in mainstream ETFs as RSBT may drive fresh inflows into Bitcoin markets and influence trading volumes across correlated crypto assets (Source: @EricBalchunas, Bloomberg).