SPY call gamma peaks at the money (~30 days out, 2026-07-13)

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 2026-07-15, from What Is Option Gamma? Delta's Accelerator.

Rows × columns

5 × 2

Computed

2026-07-15

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 2026-07-15, and the query below is what returned them.

SELECT multiIf((strike_price/underlying_close-1)<-0.04,'deep ITM',
               (strike_price/underlying_close-1)<-0.015,'ITM',
               (strike_price/underlying_close-1)<0.015,'ATM',
               (strike_price/underlying_close-1)<0.04,'OTM','deep OTM') AS moneyness,
       round(avg(gamma), 4) AS avg_gamma
FROM global_markets.options_greeks
WHERE date = '2026-07-13' AND underlying_symbol = 'SPY' AND option_type = 'C'
  AND days_to_expiry BETWEEN 25 AND 40
GROUP BY moneyness ORDER BY avg(strike_price/underlying_close)