July 6, 2026: contracts traded per 15 minutes, S&P 500 index options vs SPY options

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 American vs European Options Explained.

Rows × columns

27 × 3

Period covered

09:30 to 16:00

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 formatDateTime(bucket, '%H:%i') AS et_time,
       round(sumIf(volume, root IN ('SPX', 'SPXW')) / 1e3, 1) AS index_contracts_k,
       round(sumIf(volume, root = 'SPY') / 1e3, 1) AS spy_contracts_k
FROM (
    SELECT toStartOfInterval(toTimeZone(window_start, 'America/New_York'), INTERVAL 15 MINUTE) AS bucket,
           substring(ticker, 3, length(ticker) - 17) AS root,
           toFloat64(volume) AS volume
    FROM global_markets.options_minute_aggs
    WHERE window_start >= toDateTime('2026-07-06 09:30:00', 'America/New_York')
      AND window_start < toDateTime('2026-07-06 16:20:00', 'America/New_York')
)
WHERE root IN ('SPX', 'SPXW', 'SPY')
GROUP BY bucket
ORDER BY bucket