Share of reported volume marked short, Q1 2026 disclosure window

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 2026-08-06, from When Are 13F Filings Due? 2026 Deadlines.

Rows × columns

5 × 3

Computed

2026-08-06

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 2026-08-06, and the query below is what returned them.

SELECT
    ticker,
    round(100 * (sum(short_vol) / sum(total_vol)), 1) AS short_volume_pct,
    round(sum(total_vol) / 1e6, 1)                    AS reported_volume_millions
FROM
(
    SELECT
        ticker,
        date              AS session_date,
        max(short_volume) AS short_vol,
        max(total_volume) AS total_vol
    FROM global_markets.stocks_short_volume
    WHERE ticker IN ('NVDA', 'AAPL', 'MSFT', 'SPY', 'KO')
      AND date >= '2026-04-01'
      AND date <= '2026-05-15'
    GROUP BY ticker, session_date
)
GROUP BY ticker
HAVING sum(total_vol) > 0
ORDER BY short_volume_pct DESC