GME options volume by week: calls vs. puts and total premium, January 2021

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 2026-08-22, from What Is a Short Squeeze? GameStop, Measured.

Rows × columns

5 × 5

Period covered

2021-01-03 to 2021-01-31

Computed

2026-08-22

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 2026-08-22, and the query below is what returned them.

SELECT toString(toStartOfWeek(toDate(toTimeZone(sip_timestamp, 'America/New_York')))) AS week_of,
       round(sumIf(size, substring(ticker, 12, 1) = 'C') / 1e6, 2) AS call_contracts_m,
       round(sumIf(size, substring(ticker, 12, 1) = 'P') / 1e6, 2) AS put_contracts_m,
       round(100.0 * sumIf(size, substring(ticker, 12, 1) = 'C') / sum(size), 1) AS call_share_pct,
       round(sum(toFloat64(price) * size * 100) / 1e9, 2) AS premium_bn
FROM global_markets.options_trades
WHERE ticker >= 'O:GME21' AND ticker < 'O:GME24'
  AND sip_timestamp >= toDateTime('2021-01-04 00:00:00')
  AND sip_timestamp < toDateTime('2021-02-06 00:00:00')
GROUP BY week_of
ORDER BY week_of