Trailing year: calendar days a sale waited to settle

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 Good Faith Violations in Cash Accounts.

Rows × columns

4 × 3

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
    concat(toString(gap_days), if(gap_days = 1, ' calendar day', ' calendar days')) AS gap_label,
    count()                                                                         AS sale_count,
    round(100.0 * count() / sum(count()) OVER (), 1)                                AS share_pct
FROM
(
    SELECT
        dateDiff('day', date, leadInFrame(date) OVER (ORDER BY date ROWS BETWEEN 1 FOLLOWING AND 1 FOLLOWING)) AS gap_days
    FROM
    (
        SELECT date
        FROM global_markets.stocks_daily_aggs
        WHERE ticker = 'SPY'
          AND date >= today() - 366
          AND date <= today() - 3
        GROUP BY date
    )
)
WHERE gap_days > 0
GROUP BY gap_days
ORDER BY gap_days