Was February 8 a big day for TSLA? Its own prior five months as the yardstick
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 2026-07-26, from Tesla's Bitcoin 10-K: Feb 8, 2021 on the Tape.
- Rows × columns
- 1 × 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 |
|---|---|---|---|
baseline_sessions |
number | every row is 109 | |
median_abs_move_pct |
number | every row is 2.5 | percent |
sessions_moving_more |
number | every row is 80 | |
feb8_change_pct |
number | every row is 1.3 | 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.
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 daily AS (
SELECT
toDate(toTimeZone(window_start, 'America/New_York')) AS et_date,
argMaxIf(toFloat64(close), window_start, (toHour(toTimeZone(window_start, 'America/New_York')) * 60 + toMinute(toTimeZone(window_start, 'America/New_York'))) BETWEEN 570 AND 959) AS close_usd
FROM global_markets.delayed_stocks_minute_aggs
WHERE ticker = 'TSLA'
AND window_start >= toDateTime('2020-08-31 00:00:00') AND window_start < toDateTime('2021-02-09 01:00:00')
GROUP BY et_date
),
chg AS (
SELECT
et_date,
close_usd,
lagInFrame(close_usd) OVER (ORDER BY et_date ASC ROWS BETWEEN 1 PRECEDING AND CURRENT ROW) AS prev_close
FROM daily
)
SELECT
countIf(et_date >= toDate('2020-09-01') AND et_date < toDate('2021-02-08') AND prev_close > 0) AS baseline_sessions,
round(quantileDeterministicIf(0.5)(abs(close_usd / prev_close - 1) * 100, toUInt32(et_date), et_date >= toDate('2020-09-01') AND et_date < toDate('2021-02-08') AND prev_close > 0), 1) AS median_abs_move_pct,
countIf(et_date >= toDate('2020-09-01') AND et_date < toDate('2021-02-08') AND prev_close > 0 AND abs(close_usd / prev_close - 1) > abs((SELECT close_usd / prev_close - 1 FROM chg WHERE et_date = toDate('2021-02-08')))) AS sessions_moving_more,
round(anyIf((close_usd / prev_close - 1) * 100, et_date = toDate('2021-02-08')), 1) AS feb8_change_pct
FROM chg
HAVING countIf(et_date >= toDate('2020-09-01') AND et_date < toDate('2021-02-08') AND prev_close > 0) > 0
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