The July 2026 holiday move: SPY volume in contracts expiring Thursday July 2 vs Friday July 3

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 2026-08-10, from When Do Options Expire? Friday 4 PM ET & Daily.

Rows × columns

1 × 2

Computed

2026-08-10

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 2026-08-10, and the query below is what returned them.

SELECT round(sumIf(vol, expiry = '2026-07-02') / 1e6, 2) AS thursday_july2_contracts_mm,
       round(sumIf(vol, expiry = '2026-07-03') / 1e6, 2) AS friday_july3_contracts_mm
FROM (
    SELECT toDateOrNull(concat('20', substring(ticker, length(ticker) - 14, 6))) AS expiry,
           toFloat64(volume) AS vol
    FROM global_markets.options_minute_aggs
    WHERE window_start >= '2026-06-29 04:00:00'
      AND window_start < '2026-07-03 04:00:00'
      AND ticker LIKE 'O:SPY2%'
)
WHERE expiry IS NOT NULL