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A real quote in motion: Apple's bid and ask by the minute, Sep 15 2026

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 2026-10-05, from Buy Limit vs Sell Limit Orders Explained.

as of series 15×4read in context →
A real quote in motion: Apple's bid and ask by the minute, Sep 15 2026 — 15 rows by 4 columns, computed from US exchange, SIP and OPRA data.
et_timebidaskspread_cents
10:30329.24329.283.78
10:31329.18329.223.58
10:32329.18329.224.44
10:33329.15329.194.02
10:34329.03329.073.64
10:35329.28329.324.23
10:36329.42329.463.65
10:37329.38329.434.91
10:38329.16329.24.07
10:39329.3329.333.45
10:40329.66329.73.94
10:41329.84329.884.17
10:42329.65329.693.94
10:43329.57329.624.66
10:44329.43329.484.72
Rows × columns
15 × 4
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 A real quote in motion: Apple's bid and ask by the minute, Sep 15 2026, derived from the stored result.
ColumnTypeRangeNotes
et_time text 15 distinct values (10:30, 10:31, 10:32…)
bid number 329.03 to 329.84
ask number 329.07 to 329.88
spread_cents number 3.45 to 4.91

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.

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SELECT
    formatDateTime(toStartOfMinute(toTimeZone(sip_timestamp, 'America/New_York')), '%H:%i') AS et_time,
    round(avg(toFloat64(bid_price)), 2)                              AS bid,
    round(avg(toFloat64(ask_price)), 2)                              AS ask,
    round(avg(toFloat64(ask_price) - toFloat64(bid_price)) * 100, 2) AS spread_cents
FROM global_markets.cache_stocks_quotes
WHERE ticker = 'AAPL'
  AND sip_timestamp >= '2026-09-15 14:30:00'
  AND sip_timestamp <  '2026-09-15 14:45:00'
  AND bid_price > 0
  AND ask_price > bid_price
GROUP BY et_time
ORDER BY et_time
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