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Median implied volatility on near-the-money AAPL calls, by month

Answered against 22 years of US equities and 12 years of US options data and published with the query that produced it. This result is stored as of 2026-08-05, from How to Calculate Covered Call Returns.

as of series 24×2read in context →
Median implied volatility on near-the-money AAPL calls, by month — 24 rows by 2 columns, computed from US exchange, SIP and OPRA data.
monthmedian_iv_pct
2024-0823.3
2024-0924.8
2024-1026.4
2024-1119.8
2024-1218.5
2025-0126.3
2025-0222.8
2025-0329.3
2025-0441.6
2025-0530.6
2025-0627.5
2025-0728.7
2025-0824.2
2025-0923.3
2025-1027.2
2025-1123.2
2025-1220.8
2026-0126.9
2026-0226.2
2026-0327.7
2026-0427.7
2026-0523.5
2026-0625.3
2026-0728.4
Rows × columns
24 × 2
Period covered
to
Computed
Completeness
No missing values
Source
US exchange, SIP and OPRA market data
Licence
Strasmore terms · free, no signup
Formats
JSON · CSV · the SQL below

What each column holds

Column definitions for Median implied volatility on near-the-money AAPL calls, by month, derived from the stored result.
ColumnTypeRangeNotes
month date 2024-08 to 2026-07
median_iv_pct number 18.5 to 41.6 percent

Computed from Strasmore's warehouse of US exchange, SIP and OPRA market data. Equity prices are delayed; options greeks and implied volatility are end-of-day. This result is stored, not recomputed on load — it is exactly the numbers that were returned on , and the query below is what returned them.

the exact SQL behind every number 
SELECT
    formatDateTime(toStartOfMonth(date), '%Y-%m') AS month,
    round(100 * quantileDeterministic(0.5)(toFloat64(implied_volatility), cityHash64(ticker)), 1) AS median_iv_pct
FROM global_markets.options_greeks
WHERE underlying_symbol = 'AAPL'
  AND date >= '2024-08-01'
  AND date <  '2026-08-01'
  AND iv_converged = 1
  AND volume > 0
  AND delta > 0
  AND days_to_expiry BETWEEN 20 AND 45
  AND abs(toFloat64(strike_price) / toFloat64(underlying_close) - 1) < 0.05
GROUP BY toStartOfMonth(date)
ORDER BY toStartOfMonth(date)

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