STRASMORE/EXPLORE 2,170 QUERIES

Session check: SPY's observed minute-bar span

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 Market Recap: June 30, 2026, The Day in Numbers.

as of scalar 1×5read in context →
first spy bar et
04:00
last spy bar et
19:59
spy minute bars
860
regular session bars
390
day sessions
1
Rows × columns
1 × 5
Computed
Completeness
No missing values
Source
US exchange, SIP and OPRA market data
Licence
Strasmore terms · free, no signup
Formats
JSON · CSV · the SQL below

What each column holds

Column definitions for Session check: SPY's observed minute-bar span, derived from the stored result.
ColumnTypeRangeNotes
first_spy_bar_et text 1 distinct value (04:00)
last_spy_bar_et text 1 distinct value (19:59)
spy_minute_bars number every row is 860
regular_session_bars number every row is 390
day_sessions number every row is 1

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
    formatDateTime(min(toTimeZone(window_start, 'America/New_York')), '%H:%i') AS first_spy_bar_et,
    formatDateTime(max(toTimeZone(window_start, 'America/New_York')), '%H:%i') AS last_spy_bar_et,
    count() AS spy_minute_bars,
    countIf(window_start >= '2026-06-30 13:30:00' AND window_start < '2026-06-30 20:00:00') AS regular_session_bars,
    uniqExactIf(toDate(toTimeZone(window_start, 'America/New_York')), window_start >= '2026-06-30 13:30:00' AND window_start < '2026-06-30 20:00:00') AS day_sessions
FROM global_markets.delayed_stocks_minute_aggs
WHERE ticker = 'SPY' AND window_start >= '2026-06-30 00:00:00' AND window_start < '2026-07-01 00:00:00'

Run your own version of this

The same 22 years of US equities and 12 years of options data are queryable in SQL or plain English. A free account runs 100 queries a day and takes no card.

More from this analysisMarket Recap: June 30, 2026, The Day in Numbers
One row for the whole options day: volume, same-day expiry, SPY's put/call skew by moneyness, the holiday-shifted week scalar 1×20 → SPY's open-to-close move ranked against the trailing month of sessions (rank 1 = biggest absolute move) scalar 1×4 → June 30's corporate calendar and information flow, in one row (the filing-index gap on display) scalar 1×12 → Advancers vs decliners among tickers with at least $1M traded on June 30 scalar 1×9 → Shares traded per 30-minute bucket, regular hours (billions) series 13×3 → Volume leaders two ways: top 6 by dollars traded, top 4 by shares traded (one reused-symbol listing excluded pending entity verification) table 10×6 → See all 2,170 queries →