SPY option delta buckets, with the doubling rule applied (Jan to Jun 2026)

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 2026-08-07, from Probability of Touch vs Probability ITM.

Rows × columns

9 × 4

Computed

2026-08-07

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

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 2026-08-07, and the query below is what returned them.

WITH graded AS (
    SELECT
        toUInt16(round(100 * abs(delta) / 5) * 5) AS delta_bucket,
        abs(delta)                                AS abs_delta
    FROM global_markets.options_greeks
    WHERE underlying_symbol = 'SPY'
      AND date >= '2026-01-01'
      AND date <  '2026-07-01'
      AND iv_converged = 1
      AND volume > 0
      AND days_to_expiry BETWEEN 20 AND 45
      AND abs(delta) BETWEEN 0.05 AND 0.45
)
SELECT
    concat(toString(delta_bucket), ' delta') AS short_strike,
    round(100 * avg(abs_delta), 1)           AS approx_itm_pct,
    round(200 * avg(abs_delta), 1)           AS approx_touch_pct,
    count()                                  AS contract_days
FROM graded
GROUP BY delta_bucket
ORDER BY delta_bucket