STRASMORE/EXPLORE 3,256 QUERIES

SPY by half-hour: March 24, 2020 regular session, closing cross print in the final half hour

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 2026-09-28, from March 24, 2020: The Day the Market Turned.

as of series 13×4read in context →
SPY by half-hour: March 24, 2020 regular session, closing cross print in the final half hour — 13 rows by 4 columns, computed from US exchange, SIP and OPRA data.
et_timebucket_closebucket_lowshares_m
09:30235.51233.827.3
10:00238.45234.617.4
10:30237.46237.0413.2
11:00238.36236.1611.5
11:30240.43237.5812.5
12:00242.24239.6514.2
12:30239.65239.5712.9
13:00239.41237.8616.1
13:30237.25236.7610.7
14:00237.38235.0516.9
14:30240.58236.6111.5
15:00241.45240.2112.1
15:30243.59240.4137.5
Rows × columns
13 × 4
Computed
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

Column definitions for SPY by half-hour: March 24, 2020 regular session, closing cross print in the final half hour, derived from the stored result.
ColumnTypeRangeNotes
et_time text 13 distinct values (09:30, 10:00, 10:30…)
bucket_close number 235.51 to 243.59 US dollars
bucket_low number 233.8 to 240.41 US dollars
shares_m number 10.7 to 37.5 count

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 , and the query below is what returned them.

Run it yourself

This is the exact query behind the result above. Change a ticker, a date or a column and run it against the warehouse — no account, no key. The no-signup tier is smaller than the one this page was computed on; a query that reaches past it comes back saying which plan runs it.

SELECT
    b.et_time                                                                   AS et_time,
    b.bucket_close                                                              AS bucket_close,
    b.bucket_low                                                                AS bucket_low,
    round((b.bar_shares + if(b.et_time = '15:30', p.print_shares, 0)) / 1e6, 1) AS shares_m
FROM
(
    SELECT
        formatDateTime(toStartOfInterval(toTimeZone(window_start, 'America/New_York'), INTERVAL 30 MINUTE), '%H:%i') AS et_time,
        round(toFloat64(argMax(close, window_start)), 2) AS bucket_close,
        round(min(toFloat64(low)), 2) AS bucket_low,
        toFloat64(sum(volume)) AS bar_shares
    FROM global_markets.delayed_stocks_minute_aggs
    WHERE ticker = 'SPY'
      AND window_start >= toDateTime('2020-03-24 04:00:00') AND window_start < toDateTime('2020-03-24 23:59:00')
      AND (toHour(toTimeZone(window_start, 'America/New_York')) * 60 + toMinute(toTimeZone(window_start, 'America/New_York'))) BETWEEN 570 AND 959
    GROUP BY et_time
) AS b
CROSS JOIN
(
    SELECT toFloat64(maxIf(size, has(conditions, 8))) AS print_shares
    FROM global_markets.stocks_trades
    WHERE ticker = 'SPY'
      AND sip_timestamp >= toDateTime('2020-03-24 20:00:00', 'UTC')
      AND sip_timestamp <  toDateTime('2020-03-24 20:15:00', 'UTC')
) AS p
ORDER BY et_time
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