According to @StockMKTNewz, an intraday chart was posted showing how the S&P 500 traded in today’s early U.S. session on Dec 30, 2025 (source: @StockMKTNewz). The time-stamped visual provides a real-time snapshot of SPX momentum and levels that traders can reference during the cash session to monitor short-term risk and volatility (source: @StockMKTNewz).