sweep_day_peak
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 2026-09-19, from what-is-a-liquidity-sweep.
| label | volume_millions |
|---|---|
| Fifteen minutes that printed the session high | 2.48 |
| Median fifteen-minute slice of the session | 4.63 |
| Busiest fifteen-minute slice of the session | 12.88 |
- Rows × columns
- 3 × 2
- Computed
- Completeness
- No missing values
- Source
- US exchange, SIP and OPRA market data
- Licence
- Strasmore terms · free, no signup
What each column holds
| Column | Type | Range | Notes |
|---|---|---|---|
label |
text | 3 distinct values | |
volume_millions |
number | 2.48 to 12.88 | 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.
the exact SQL behind every number
SELECT
tupleElement(entry, 1) AS label,
tupleElement(entry, 2) AS volume_millions
FROM
(
SELECT
arrayJoin([
('Fifteen minutes that printed the session high', peak_slice),
('Median fifteen-minute slice of the session', median_slice),
('Busiest fifteen-minute slice of the session', busiest_slice)
]) AS entry
FROM
(
SELECT
round(argMax(volume_mm, (slice_high, slice_start)), 2) AS peak_slice,
round(quantileExact(0.5)(volume_mm), 2) AS median_slice,
round(max(volume_mm), 2) AS busiest_slice
FROM
(
SELECT
toStartOfFifteenMinutes(toTimeZone(window_start, 'America/New_York')) AS slice_start,
toFloat64(max(high)) AS slice_high,
toFloat64(sum(volume)) / 1e6 AS volume_mm
FROM global_markets.delayed_stocks_minute_aggs
WHERE ticker = 'SPY'
AND window_start >= '2025-01-01'
AND window_start < '2026-01-02'
AND toDate(toTimeZone(window_start, 'America/New_York')) =
(
SELECT toDate(date)
FROM
(
SELECT
date,
hi,
cl,
lagInFrame(hi) OVER (ORDER BY date ROWS BETWEEN 1 PRECEDING AND CURRENT ROW) AS prior_hi
FROM
(
SELECT
date,
argMax(high, _ingest_time) AS hi,
argMax(close, _ingest_time) AS cl
FROM global_markets.stocks_daily_aggs
WHERE ticker = 'SPY'
AND date >= '2024-12-31'
AND date < '2026-01-01'
GROUP BY date
)
)
WHERE date >= '2025-01-01'
AND prior_hi > 0
AND hi > prior_hi
AND cl < prior_hi
ORDER BY (toFloat64(hi) - toFloat64(prior_hi)) / toFloat64(prior_hi) DESC, date DESC
LIMIT 1
)
AND (toHour(toTimeZone(window_start, 'America/New_York')) * 60
+ toMinute(toTimeZone(window_start, 'America/New_York'))) >= 570
AND (toHour(toTimeZone(window_start, 'America/New_York')) * 60
+ toMinute(toTimeZone(window_start, 'America/New_York'))) < 960
GROUP BY slice_start
)
)
)
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