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SPY vs SPCX open-to-close, regular hours, trailing three weeks

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 2026-08-20, from SPCX: SpaceX Stock Price Decline From Peak.

as of series 15×4read in context →
SPY vs SPCX open-to-close, regular hours, trailing three weeks — 15 rows by 4 columns, computed from US exchange, SIP and OPRA data.
session_datesession_labelspy_pctspcx_pct
2026-07-30Jul 300.77-2.5
2026-07-31Jul 310.29-4.12
2026-08-03Aug 31.17.75
2026-08-04Aug 41.47.35
2026-08-05Aug 5-0.78-3.63
2026-08-06Aug 6-0.227.31
2026-08-07Aug 70.2815.78
2026-08-10Aug 100.062.81
2026-08-11Aug 11-0.53-3.82
2026-08-12Aug 12-0.288.26
2026-08-13Aug 130.38-1.74
2026-08-14Aug 14-0.29-2.14
2026-08-17Aug 17-0.454.5
2026-08-18Aug 18-0.171.85
2026-08-19Aug 190.140.09
Rows × columns
15 × 4
Period covered
to
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 vs SPCX open-to-close, regular hours, trailing three weeks, derived from the stored result.
ColumnTypeRangeNotes
session_date date 2026-07-30 to 2026-08-19
session_label text 15 distinct values (Aug 10, Aug 11, Aug 12…)
spy_pct number -0.78 to 1.4 percent
spcx_pct number -4.12 to 15.78 percent

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.

the exact SQL behind every number 
SELECT
    a.session_date AS session_date,
    a.session_label AS session_label,
    round(a.spy_pct, 2) AS spy_pct,
    round(b.spcx_pct, 2) AS spcx_pct
FROM (
    SELECT
        toDate(toTimeZone(window_start, 'America/New_York')) AS session_date,
        formatDateTime(toDate(toTimeZone(window_start, 'America/New_York')), '%b %e') AS session_label,
        (argMax(toFloat64(close), window_start) / argMin(toFloat64(open), window_start) - 1) * 100 AS spy_pct
    FROM global_markets.delayed_stocks_minute_aggs
    WHERE ticker = 'SPY'
      AND window_start >= now() - INTERVAL 21 DAY AND window_start < now()
      AND (toHour(toTimeZone(window_start, 'America/New_York')) * 60 + toMinute(toTimeZone(window_start, 'America/New_York'))) BETWEEN 570 AND 959
    GROUP BY session_date, session_label
    HAVING count() >= 150
) a
INNER JOIN (
    SELECT
        toDate(toTimeZone(window_start, 'America/New_York')) AS session_date,
        (argMax(toFloat64(close), window_start) / argMin(toFloat64(open), window_start) - 1) * 100 AS spcx_pct
    FROM global_markets.delayed_stocks_minute_aggs
    WHERE ticker = 'SPCX'
      AND window_start >= '2026-06-12 00:00:00'
      AND window_start >= now() - INTERVAL 21 DAY AND window_start < now()
      AND (toHour(toTimeZone(window_start, 'America/New_York')) * 60 + toMinute(toTimeZone(window_start, 'America/New_York'))) BETWEEN 570 AND 959
    GROUP BY session_date
    HAVING count() >= 150
) b ON a.session_date = b.session_date
ORDER BY a.session_date

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More from this analysisSPCX: SpaceX Stock Price Decline From Peak
Regular-hours session scoreboard: open, close, low, high, volume for every SPCX session since listing series 47×7 → Stock quote spread and depth by session: the four weeks from listing and the trailing three series 33×5 → Put/call volume ratio by session, trailing three weeks series 15×5 → Latest complete session, half-hour path: closes, lows, and volume series 7×4 → Options quote spread and size at the touch, the sessions on file in the past week and a half series 4×6 → Latest session on file: the busiest SPCX option contracts by volume table 10×5 → See all 2,170 queries →