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What the next session did: 36 large caps bucketed by the prior day's move, Aug 2024 to Jul 2026

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 2026-08-01, from AI Daily Market Research Reports: What Breaks.

as of table 5×5read in context →
What the next session did: 36 large caps bucketed by the prior day's move, Aug 2024 to Jul 2026 — 5 rows by 5 columns, computed from US exchange, SIP and OPRA data.
prior_day_bucketticker_day_countprior_day_move_pctnext_day_move_pctsame_direction_pct
fell 3% or more649-4.330.47447.3
fell 1% to 3%3219-1.690.04649.5
moved less than 1%101000.010.00950.3
rose 1% to 3%34301.67-0.03950.2
rose 3% or more6024.57-0.10249.3
Rows × columns
5 × 5
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 What the next session did: 36 large caps bucketed by the prior day's move, Aug 2024 to Jul 2026, derived from the stored result.
ColumnTypeRangeNotes
prior_day_bucket text 5 distinct values
ticker_day_count number 602 to 10,100 count
prior_day_move_pct number -4.33 to 4.57 percent
next_day_move_pct number -0.102 to 0.474 percent
same_direction_pct number 47.3 to 50.3 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
WITH daily AS (
    SELECT ticker,
           toDate(toTimeZone(window_start, 'America/New_York')) AS d,
           (argMax(close, window_start) / argMin(open, window_start) - 1) * 100 AS move_pct
    FROM global_markets.delayed_stocks_minute_aggs
    WHERE ticker IN ('AAPL','MSFT','NVDA','AMZN','GOOGL','META','TSLA','AVGO','JPM','XOM',
                     'JNJ','WMT','PG','KO','HD','CVX','MRK','PEP','COST','CSCO',
                     'ORCL','CRM','AMD','NFLX','DIS','BA','CAT','IBM','T','VZ',
                     'PFE','NKE','MCD','UNH','BAC','QCOM')
      AND toDate(toTimeZone(window_start, 'America/New_York')) >= toDate('2024-08-01')
      AND toDate(toTimeZone(window_start, 'America/New_York')) <= toDate('2026-07-31')
      AND (toHour(toTimeZone(window_start, 'America/New_York')) * 60
           + toMinute(toTimeZone(window_start, 'America/New_York'))) BETWEEN 570 AND 959
    GROUP BY ticker, d
),
paired AS (
    SELECT ticker,
           d,
           move_pct,
           leadInFrame(move_pct) OVER (PARTITION BY ticker ORDER BY d ASC
                                       ROWS BETWEEN 1 FOLLOWING AND 1 FOLLOWING) AS next_move_pct,
           row_number() OVER (PARTITION BY ticker ORDER BY d ASC) AS rn,
           count() OVER (PARTITION BY ticker) AS session_total
    FROM daily
),
labelled AS (
    SELECT multiIf(move_pct <= -3, 'fell 3% or more',
                   move_pct <= -1, 'fell 1% to 3%',
                   move_pct < 1, 'moved less than 1%',
                   move_pct < 3, 'rose 1% to 3%',
                   'rose 3% or more') AS prior_day_bucket,
           multiIf(move_pct <= -3, 1,
                   move_pct <= -1, 2,
                   move_pct < 1, 3,
                   move_pct < 3, 4,
                   5) AS bucket_rank,
           move_pct,
           next_move_pct
    FROM paired
    WHERE rn < session_total
)
SELECT prior_day_bucket,
       count() AS ticker_day_count,
       round(avg(move_pct), 2) AS prior_day_move_pct,
       round(avg(next_move_pct), 3) AS next_day_move_pct,
       round(100 * countIf((move_pct > 0) = (next_move_pct > 0)) / count(), 1) AS same_direction_pct
FROM labelled
GROUP BY prior_day_bucket, bucket_rank
ORDER BY bucket_rank ASC

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