According to @StockMKTNewz, a full S&P 500 constituent early-trading performance snapshot for Nov 21, 2025 is available, offering a real-time read on sector breadth and risk tone that traders can use to align positioning in SPY, BTC, and ETH; source: @StockMKTNewz. Because BTC and ETH have shown time-varying positive correlations with US equities, intraday breadth from this snapshot can help gauge risk appetite spillover into crypto during the US session; source: Coin Metrics research.