offbook_share

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 2026-08-27, from futures-block-trades-and-cme-minimums.

Rows × columns

32 × 2

Period covered

2026-06-30 to 2026-08-26

Computed

2026-08-27

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 2026-08-27, and the query below is what returned them.

WITH off_book AS
(
    SELECT date,
           max(total_volume) AS off_book_shares
    FROM global_markets.stocks_short_volume
    WHERE ticker = 'AAPL'
      AND date >= today() - INTERVAL 60 DAY
    GROUP BY date
),
all_reported AS
(
    SELECT toDate(window_start, 'America/New_York') AS date,
           sum(volume) AS reported_shares
    FROM global_markets.delayed_stocks_minute_aggs
    WHERE ticker = 'AAPL'
      AND window_start >= now() - INTERVAL 61 DAY
    GROUP BY date
)
SELECT off_book.date AS date,
       round(off_book.off_book_shares / all_reported.reported_shares * 100, 1) AS pct_away_from_exchanges
FROM off_book
INNER JOIN all_reported ON all_reported.date = off_book.date
ORDER BY off_book.date