premarket_trace
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 2026-09-25, from ex-dividend-date-premarket-and-open-orders.
| et_time | ex_dividend_label | vs_prior_close_pct | vs_adjusted_close_pct |
|---|---|---|---|
| 07:00 | Sep 15, 2026 | -0.92 | -0.33 |
| 07:15 | Sep 15, 2026 | -0.94 | -0.34 |
| 07:30 | Sep 15, 2026 | -1.01 | -0.42 |
| 07:45 | Sep 15, 2026 | -0.94 | -0.35 |
| 08:00 | Sep 15, 2026 | -0.85 | -0.26 |
| 08:15 | Sep 15, 2026 | -0.93 | -0.34 |
| 08:45 | Sep 15, 2026 | -0.88 | -0.29 |
| 09:00 | Sep 15, 2026 | -0.81 | -0.21 |
| 09:15 | Sep 15, 2026 | -0.96 | -0.37 |
| 09:30 | Sep 15, 2026 | -1.19 | -0.6 |
| 09:45 | Sep 15, 2026 | -1.14 | -0.55 |
- Rows × columns
- 11 × 4
- 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 |
|---|---|---|---|
et_time |
text | 11 distinct values (07:00, 07:15, 07:30…) | |
ex_dividend_label |
text | 1 distinct value (Sep 15, 2026) | |
vs_prior_close_pct |
number | -1.19 to -0.81 | percent |
vs_adjusted_close_pct |
number | -0.6 to -0.21 | 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.
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.
WITH
(
SELECT max(ex_dividend_date)
FROM global_markets.stocks_dividends
WHERE ticker = 'KO'
AND cash_amount > 0
AND ex_dividend_date BETWEEN today() - 200 AND today() - 3
) AS ex_date,
(
SELECT max(toFloat64(cash_amount))
FROM global_markets.stocks_dividends
WHERE ticker = 'KO'
AND ex_dividend_date = ex_date
) AS dividend_usd,
(
SELECT toFloat64(argMax(close, date))
FROM global_markets.stocks_daily_aggs
WHERE ticker = 'KO'
AND date >= today() - 220
AND date < ex_date
) AS prior_close
SELECT
formatDateTime(toStartOfInterval(toTimeZone(window_start, 'America/New_York'), INTERVAL 15 MINUTE), '%H:%i') AS et_time,
formatDateTime(ex_date, '%b %e, %Y') AS ex_dividend_label,
round(100 * (avg(toFloat64(close)) - prior_close) / prior_close, 2) AS vs_prior_close_pct,
round(100 * (avg(toFloat64(close)) - (prior_close - dividend_usd))
/ (prior_close - dividend_usd), 2) AS vs_adjusted_close_pct
FROM global_markets.delayed_stocks_minute_aggs
WHERE ticker = 'KO'
AND window_start >= today() - 210
AND toDate(toTimeZone(window_start, 'America/New_York')) = ex_date
AND (toHour(toTimeZone(window_start, 'America/New_York')) * 60
+ toMinute(toTimeZone(window_start, 'America/New_York'))) >= 420
AND (toHour(toTimeZone(window_start, 'America/New_York')) * 60
+ toMinute(toTimeZone(window_start, 'America/New_York'))) < 600
AND volume > 0
GROUP BY et_time, ex_dividend_label
ORDER BY et_time ASC
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