{"schema":1,"name":"Nifty 50: one-year return contributions","resolution":"daily","generated_at":"2026-10-06T03:57:18Z","meta":{"source":"NSE price, total-return and published P/E indices.","method":"100 × change in natural log: TRI = (price / published P/E) × P/E × (TRI / price). The three contributions sum to the total log return; ordinary return is 100 × (exp(total_log / 100) − 1). Implied earnings reflect index composition and NSE methodology, not constant-company earnings growth. TRI/price captures the dividend-reinvestment convention, not cash dividend yield. All inputs must be positive and finite on the same endpoint dates. The start is the last observation on or before the calendar anniversary, at most seven days earlier. Windows crossing NSE's 31 March 2021 earnings-method change are withheld; no historical rescaling is used. Monthly charts retain the last actual observation date, including the current partial month.","index":"Nifty 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