okna_rozjazdu
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 2026-10-16, from us-daylight-saving-switch-polish-time.
| okno | okres | dni_robocze |
|---|---|---|
| 2026 wiosna | 09.03.2026 do 27.03.2026 | 15 |
| 2026 jesień | 26.10.2026 do 30.10.2026 | 5 |
| 2027 wiosna | 15.03.2027 do 26.03.2027 | 10 |
| 2027 jesień | 01.11.2027 do 05.11.2027 | 5 |
| 2028 wiosna | 13.03.2028 do 24.03.2028 | 10 |
| 2028 jesień | 30.10.2028 do 03.11.2028 | 5 |
- Rows × columns
- 6 × 3
- 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 |
|---|---|---|---|
okno |
text | 6 distinct values (2026 jesień, 2026 wiosna, 2027 jesień…) | |
okres |
text | 6 distinct values | |
dni_robocze |
number | 5 to 15 |
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
dni AS
(
SELECT toDate('2026-01-01') + arrayJoin(range(1096)) AS d
),
rozjazd AS
(
SELECT
d,
toHour(toTimeZone(toDateTime(concat(toString(d), ' 09:30:00'), 'America/New_York'), 'Europe/Warsaw'))
- toHour(toDateTime(concat(toString(d), ' 09:30:00'), 'America/New_York')) AS roznica
FROM dni
WHERE toDayOfWeek(d) <= 5
)
SELECT
concat(toString(toYear(d)), if(toMonth(d) < 7, ' wiosna', ' jesień')) AS okno,
concat(formatDateTime(min(d), '%d.%m.%Y'), ' do ', formatDateTime(max(d), '%d.%m.%Y')) AS okres,
count() AS dni_robocze
FROM rozjazd
WHERE roznica = 5
GROUP BY okno
ORDER BY min(d)
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