Measured publication lag: settlement date vs the day the file first arrived here

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 When Is Short Interest Released?.

Rows × columns

10 × 3

Period covered

2026-03-13 to 2026-07-31

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.

WITH first_arrival AS (
    SELECT settlement_date,
           toDate(min(_ingest_time)) AS arrived
    FROM global_markets.stocks_short_interest
    GROUP BY settlement_date
),
bulk_days AS (
    SELECT arrived
    FROM first_arrival
    GROUP BY arrived
    HAVING count() > 5
)
SELECT settlement_date,
       toString(arrived) AS arrived_here,
       dateDiff('day', settlement_date, arrived) AS publication_lag_days
FROM first_arrival
WHERE arrived NOT IN (SELECT arrived FROM bulk_days)
ORDER BY settlement_date