brasilia_open
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 2026-11-01, from does-the-us-market-close-for-brazilian-holidays.
| month | month_label | sessions | opens_1030_brasilia | opens_1130_brasilia |
|---|---|---|---|---|
| 2025-10-01 | out/2025 | 5 | 5 | 0 |
| 2025-11-01 | nov/2025 | 19 | 0 | 19 |
| 2025-12-01 | dez/2025 | 22 | 0 | 22 |
| 2026-01-01 | jan/2026 | 20 | 0 | 20 |
| 2026-02-01 | fev/2026 | 19 | 0 | 19 |
| 2026-03-01 | mar/2026 | 22 | 17 | 5 |
| 2026-04-01 | abr/2026 | 21 | 21 | 0 |
| 2026-05-01 | mai/2026 | 20 | 20 | 0 |
| 2026-06-01 | jun/2026 | 21 | 21 | 0 |
| 2026-07-01 | jul/2026 | 22 | 22 | 0 |
| 2026-08-01 | ago/2026 | 21 | 21 | 0 |
| 2026-09-01 | set/2026 | 21 | 21 | 0 |
| 2026-10-01 | out/2026 | 19 | 19 | 0 |
- Rows × columns
- 13 × 5
- Period covered
- to
- 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 |
|---|---|---|---|
month |
date | 2025-10-01 to 2026-10-01 | |
month_label |
text | 13 distinct values (abr/2026, ago/2026, dez/2025…) | |
sessions |
number | 5 to 22 | |
opens_1030_brasilia |
number | 0 to 22 | |
opens_1130_brasilia |
number | 0 to 22 |
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.
SELECT
toStartOfMonth(d) AS month,
concat(arrayElement(['jan', 'fev', 'mar', 'abr', 'mai', 'jun',
'jul', 'ago', 'set', 'out', 'nov', 'dez'],
toMonth(month)),
'/', toString(toYear(month))) AS month_label,
count() AS sessions,
countIf(open_brasilia = '10:30') AS opens_1030_brasilia,
countIf(open_brasilia = '11:30') AS opens_1130_brasilia
FROM
(
SELECT
toDate(toTimeZone(window_start, 'America/New_York')) AS d,
any(formatDateTime(toTimeZone(window_start, 'America/Sao_Paulo'), '%H:%i')) AS open_brasilia
FROM global_markets.delayed_stocks_minute_aggs
WHERE ticker = 'SPY'
AND window_start >= today() - 370
AND window_start < today() - 4
AND (toHour(toTimeZone(window_start, 'America/New_York')) * 60
+ toMinute(toTimeZone(window_start, 'America/New_York'))) = 570
GROUP BY d
)
GROUP BY month
ORDER BY month
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