{"slug":"iv-rank-vs-iv-percentile","qid":"iv_history","label":"AAPL at the money implied volatility, weekly, trailing 52 weeks","post_title":"IV Rank vs IV Percentile: Formulas Explained","post_url":"/blog/iv-rank-vs-iv-percentile#q-iv_history","columns":["week","week_label","aapl_atm_iv_pct","week_low_iv_pct","week_high_iv_pct"],"rows":[{"week":"2025-08-18","week_label":"Aug 18, 2025","aapl_atm_iv_pct":24.09,"week_low_iv_pct":23.33,"week_high_iv_pct":24.67},{"week":"2025-08-25","week_label":"Aug 25, 2025","aapl_atm_iv_pct":24.33,"week_low_iv_pct":23.41,"week_high_iv_pct":25.34},{"week":"2025-09-01","week_label":"Sep 1, 2025","aapl_atm_iv_pct":23.33,"week_low_iv_pct":21.25,"week_high_iv_pct":27.6},{"week":"2025-09-08","week_label":"Sep 8, 2025","aapl_atm_iv_pct":22.78,"week_low_iv_pct":22.35,"week_high_iv_pct":23.74},{"week":"2025-09-15","week_label":"Sep 15, 2025","aapl_atm_iv_pct":23.17,"week_low_iv_pct":22.75,"week_high_iv_pct":23.57},{"week":"2025-09-22","week_label":"Sep 22, 2025","aapl_atm_iv_pct":24.5,"week_low_iv_pct":23.61,"week_high_iv_pct":25.24},{"week":"2025-09-29","week_label":"Sep 29, 2025","aapl_atm_iv_pct":25.2,"week_low_iv_pct":24.72,"week_high_iv_pct":25.47},{"week":"2025-10-06","week_label":"Oct 6, 2025","aapl_atm_iv_pct":28.29,"week_low_iv_pct":26.6,"week_high_iv_pct":31.81},{"week":"2025-10-13","week_label":"Oct 13, 2025","aapl_atm_iv_pct":30.33,"week_low_iv_pct":29.73,"week_high_iv_pct":31.79},{"week":"2025-10-20","week_label":"Oct 20, 2025","aapl_atm_iv_pct":27.8,"week_low_iv_pct":26.72,"week_high_iv_pct":28.63},{"week":"2025-10-27","week_label":"Oct 27, 2025","aapl_atm_iv_pct":26.6,"week_low_iv_pct":23.19,"week_high_iv_pct":27.89},{"week":"2025-11-03","week_label":"Nov 3, 2025","aapl_atm_iv_pct":23.48,"week_low_iv_pct":22.66,"week_high_iv_pct":23.96},{"week":"2025-11-10","week_label":"Nov 10, 2025","aapl_atm_iv_pct":23.37,"week_low_iv_pct":22.63,"week_high_iv_pct":24.46},{"week":"2025-11-17","week_label":"Nov 17, 2025","aapl_atm_iv_pct":25.24,"week_low_iv_pct":24.51,"week_high_iv_pct":27.15},{"week":"2025-11-24","week_label":"Nov 24, 2025","aapl_atm_iv_pct":21.67,"week_low_iv_pct":20.72,"week_high_iv_pct":22.86},{"week":"2025-12-01","week_label":"Dec 1, 2025","aapl_atm_iv_pct":20.56,"week_low_iv_pct":19.54,"week_high_iv_pct":21.41},{"week":"2025-12-08","week_label":"Dec 8, 2025","aapl_atm_iv_pct":20.14,"week_low_iv_pct":19.2,"week_high_iv_pct":21.09},{"week":"2025-12-15","week_label":"Dec 15, 2025","aapl_atm_iv_pct":20.74,"week_low_iv_pct":19.93,"week_high_iv_pct":21.18},{"week":"2025-12-22","week_label":"Dec 22, 2025","aapl_atm_iv_pct":19.59,"week_low_iv_pct":18.98,"week_high_iv_pct":19.85},{"week":"2025-12-29","week_label":"Dec 29, 2025","aapl_atm_iv_pct":21.72,"week_low_iv_pct":21.35,"week_high_iv_pct":22.39},{"week":"2026-01-05","week_label":"Jan 5, 2026","aapl_atm_iv_pct":25.94,"week_low_iv_pct":24.11,"week_high_iv_pct":27.56},{"week":"2026-01-12","week_label":"Jan 12, 2026","aapl_atm_iv_pct":26.95,"week_low_iv_pct":26.71,"week_high_iv_pct":27.28},{"week":"2026-01-19","week_label":"Jan 19, 2026","aapl_atm_iv_pct":29.45,"week_low_iv_pct":28.43,"week_high_iv_pct":31.4},{"week":"2026-01-26","week_label":"Jan 26, 2026","aapl_atm_iv_pct":28.26,"week_low_iv_pct":24.81,"week_high_iv_pct":30.81},{"week":"2026-02-02","week_label":"Feb 2, 2026","aapl_atm_iv_pct":24.54,"week_low_iv_pct":23.1,"week_high_iv_pct":26.76},{"week":"2026-02-09","week_label":"Feb 9, 2026","aapl_atm_iv_pct":25.71,"week_low_iv_pct":22.87,"week_high_iv_pct":28.85},{"week":"2026-02-16","week_label":"Feb 16, 2026","aapl_atm_iv_pct":26.5,"week_low_iv_pct":25.88,"week_high_iv_pct":27.11},{"week":"2026-02-23","week_label":"Feb 23, 2026","aapl_atm_iv_pct":26.08,"week_low_iv_pct":25.06,"week_high_iv_pct":26.9},{"week":"2026-03-02","week_label":"Mar 2, 2026","aapl_atm_iv_pct":28.5,"week_low_iv_pct":27.12,"week_high_iv_pct":30.46},{"week":"2026-03-09","week_label":"Mar 9, 2026","aapl_atm_iv_pct":28.55,"week_low_iv_pct":27.6,"week_high_iv_pct":30},{"week":"2026-03-16","week_label":"Mar 16, 2026","aapl_atm_iv_pct":27.24,"week_low_iv_pct":25.82,"week_high_iv_pct":28.65},{"week":"2026-03-23","week_label":"Mar 23, 2026","aapl_atm_iv_pct":28.84,"week_low_iv_pct":27.09,"week_high_iv_pct":33.15},{"week":"2026-03-30","week_label":"Mar 30, 2026","aapl_atm_iv_pct":30.19,"week_low_iv_pct":28.69,"week_high_iv_pct":33.47},{"week":"2026-04-06","week_label":"Apr 6, 2026","aapl_atm_iv_pct":29.71,"week_low_iv_pct":28.43,"week_high_iv_pct":32.4},{"week":"2026-04-13","week_label":"Apr 13, 2026","aapl_atm_iv_pct":28.9,"week_low_iv_pct":27.9,"week_high_iv_pct":29.62},{"week":"2026-04-20","week_label":"Apr 20, 2026","aapl_atm_iv_pct":28.47,"week_low_iv_pct":27.5,"week_high_iv_pct":29.32},{"week":"2026-04-27","week_label":"Apr 27, 2026","aapl_atm_iv_pct":26.91,"week_low_iv_pct":22.5,"week_high_iv_pct":28.84},{"week":"2026-05-04","week_label":"May 4, 2026","aapl_atm_iv_pct":23.96,"week_low_iv_pct":22.96,"week_high_iv_pct":24.82},{"week":"2026-05-11","week_label":"May 11, 2026","aapl_atm_iv_pct":24.44,"week_low_iv_pct":23.89,"week_high_iv_pct":24.9},{"week":"2026-05-18","week_label":"May 18, 2026","aapl_atm_iv_pct":23.25,"week_low_iv_pct":22.09,"week_high_iv_pct":24.06},{"week":"2026-05-25","week_label":"May 25, 2026","aapl_atm_iv_pct":22.44,"week_low_iv_pct":21.91,"week_high_iv_pct":22.91},{"week":"2026-06-01","week_label":"Jun 1, 2026","aapl_atm_iv_pct":24.24,"week_low_iv_pct":23.58,"week_high_iv_pct":25.2},{"week":"2026-06-08","week_label":"Jun 8, 2026","aapl_atm_iv_pct":24.49,"week_low_iv_pct":23.19,"week_high_iv_pct":25.21},{"week":"2026-06-15","week_label":"Jun 15, 2026","aapl_atm_iv_pct":22.96,"week_low_iv_pct":21.98,"week_high_iv_pct":23.53},{"week":"2026-06-22","week_label":"Jun 22, 2026","aapl_atm_iv_pct":26.87,"week_low_iv_pct":24.56,"week_high_iv_pct":28.88},{"week":"2026-06-29","week_label":"Jun 29, 2026","aapl_atm_iv_pct":27.7,"week_low_iv_pct":27.36,"week_high_iv_pct":27.85},{"week":"2026-07-06","week_label":"Jul 6, 2026","aapl_atm_iv_pct":28.13,"week_low_iv_pct":27.79,"week_high_iv_pct":28.59},{"week":"2026-07-13","week_label":"Jul 13, 2026","aapl_atm_iv_pct":29.17,"week_low_iv_pct":27.83,"week_high_iv_pct":31.51},{"week":"2026-07-20","week_label":"Jul 20, 2026","aapl_atm_iv_pct":30.13,"week_low_iv_pct":29.32,"week_high_iv_pct":30.84},{"week":"2026-07-27","week_label":"Jul 27, 2026","aapl_atm_iv_pct":32.42,"week_low_iv_pct":27.63,"week_high_iv_pct":45.92},{"week":"2026-08-03","week_label":"Aug 3, 2026","aapl_atm_iv_pct":26.24,"week_low_iv_pct":24.32,"week_high_iv_pct":27.7},{"week":"2026-08-10","week_label":"Aug 10, 2026","aapl_atm_iv_pct":23.71,"week_low_iv_pct":22.61,"week_high_iv_pct":24.81},{"week":"2026-08-17","week_label":"Aug 17, 2026","aapl_atm_iv_pct":24.31,"week_low_iv_pct":23.79,"week_high_iv_pct":24.89}],"shape":"series","sql":"WITH daily AS\n(\n    SELECT\n        date,\n        avg(toFloat64(implied_volatility)) * 100 AS atm_iv\n    FROM global_markets.options_greeks\n    WHERE underlying_symbol = 'AAPL'\n      AND date >= today() - 371\n      AND iv_converged = 1\n      AND volume > 0\n      AND days_to_expiry BETWEEN 20 AND 45\n      AND abs(toFloat64(strike_price) / toFloat64(underlying_close) - 1) < 0.05\n    GROUP BY date\n)\nSELECT\n    toString(toMonday(date))                    AS week,\n    formatDateTime(toMonday(date), '%b %e, %Y') AS week_label,\n    round(avg(atm_iv), 2)                       AS aapl_atm_iv_pct,\n    round(min(atm_iv), 2)                       AS week_low_iv_pct,\n    round(max(atm_iv), 2)                       AS week_high_iv_pct\nFROM daily\nGROUP BY toMonday(date)\nORDER BY toMonday(date)","computed_at":"2026-08-22T04:13:56.197202+00:00","elapsed":0.715226927}