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The near-to-far implied volatility gap across liquid names

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 2026-08-22, from Why VIX Options Don't Track the VIX.

as of ranking 6×4read in context →
The near-to-far implied volatility gap across liquid names — 6 rows by 4 columns, computed from US exchange, SIP and OPRA data.
symbolfront_iv_pctback_iv_pctcurve_spread_pts
NVDA39.1143.414.3
SPY14.4317.473.04
QQQ23.625.752.15
AAPL27.4927.43-0.06
MSFT35.4734.92-0.55
KO21.0820.16-0.93
Rows × columns
6 × 4
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 The near-to-far implied volatility gap across liquid names, derived from the stored result.
ColumnTypeRangeNotes
symbol text 6 distinct values (AAPL, KO, MSFT…)
front_iv_pct number 14.43 to 39.11 percent
back_iv_pct number 17.47 to 43.41 percent
curve_spread_pts number -0.93 to 4.3

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
    underlying_symbol                                                             AS symbol,
    round(avgIf(implied_volatility, days_to_expiry BETWEEN 7 AND 30) * 100, 2)    AS front_iv_pct,
    round(avgIf(implied_volatility, days_to_expiry BETWEEN 150 AND 300) * 100, 2) AS back_iv_pct,
    round((avgIf(implied_volatility, days_to_expiry BETWEEN 150 AND 300)
         - avgIf(implied_volatility, days_to_expiry BETWEEN 7 AND 30)) * 100, 2)  AS curve_spread_pts
FROM global_markets.options_greeks
WHERE underlying_symbol IN ('SPY', 'QQQ', 'AAPL', 'MSFT', 'NVDA', 'KO')
  AND iv_converged = 1
  AND volume > 0
  AND (days_to_expiry BETWEEN 7 AND 30 OR days_to_expiry BETWEEN 150 AND 300)
  AND abs(toFloat64(strike_price) / toFloat64(underlying_close) - 1) < 0.05
  AND date >= today() - 90
GROUP BY underlying_symbol
HAVING countIf(days_to_expiry BETWEEN 7 AND 30) > 0
   AND countIf(days_to_expiry BETWEEN 150 AND 300) > 0
ORDER BY curve_spread_pts DESC

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