Where the trading happened: SPY contract volume by strike, August 21 2026 expiry, July 15 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 2026-07-31, from How to Read an Option Chain, Column by Column.

Rows × columns

8 × 3

Computed

2026-07-31

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 2026-07-31, and the query below is what returned them.

SELECT toString(toUInt32(strike_price)) AS strike,
       toUInt64(sumIf(volume, option_type = 'C')) AS call_volume,
       toUInt64(sumIf(volume, option_type = 'P')) AS put_volume
FROM global_markets.options_greeks
WHERE underlying_symbol = 'SPY'
  AND date = toDate('2026-07-15')
  AND expiration_date = toDate('2026-08-21')
  AND strike_price BETWEEN 735 AND 770
  AND toUInt32(strike_price) % 5 = 0
  AND iv_converged
GROUP BY strike_price
HAVING countIf(option_type = 'C') > 0 AND countIf(option_type = 'P') > 0
ORDER BY strike_price