According to @QCompounding, "Valuation Metric 1: Price-to-Earnings Ratio (P/E)" was posted on X on Jan 5, 2026, identifying P/E as the first valuation metric highlighted by the account (source: @QCompounding on X, Jan 5, 2026). According to @QCompounding, the post contains only the label and does not provide numerical thresholds, examples, or sector-specific context (source: @QCompounding on X, Jan 5, 2026).