Distinct best bid prices per quarter hour (AAPL and KO, 10 June 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 2026-08-14, from Does Modifying an Order Lose Queue Priority?.
| et_time | aapl_distinct_bids | ko_distinct_bids |
|---|---|---|
| 09:30 | 359 | 78 |
| 09:45 | 201 | 79 |
| 10:00 | 187 | 26 |
| 10:15 | 160 | 31 |
| 10:30 | 188 | 53 |
| 10:45 | 145 | 24 |
| 11:00 | 158 | 46 |
| 11:15 | 98 | 31 |
| 11:30 | 178 | 23 |
| 11:45 | 144 | 33 |
| 12:00 | 114 | 21 |
| 12:15 | 119 | 16 |
| 12:30 | 164 | 12 |
| 12:45 | 111 | 12 |
| 13:00 | 105 | 15 |
| 13:15 | 152 | 18 |
| 13:30 | 68 | 39 |
| 13:45 | 156 | 23 |
| 14:00 | 80 | 17 |
| 14:15 | 76 | 17 |
| 14:30 | 96 | 17 |
| 14:45 | 103 | 17 |
| 15:00 | 78 | 22 |
| 15:15 | 125 | 25 |
| 15:30 | 87 | 24 |
| 15:45 | 152 | 24 |
- Rows × columns
- 26 × 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 |
|---|---|---|---|
et_time |
text | 26 distinct values (09:30, 09:45, 10:00…) | |
aapl_distinct_bids |
number | 68 to 359 | |
ko_distinct_bids |
number | 12 to 79 |
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
formatDateTime(toStartOfFifteenMinutes(et), '%H:%i') AS et_time,
uniqExactIf(bid_price, ticker = 'AAPL') AS aapl_distinct_bids,
uniqExactIf(bid_price, ticker = 'KO') AS ko_distinct_bids
FROM
(
SELECT
toTimeZone(sip_timestamp, 'America/New_York') AS et,
ticker,
bid_price
FROM global_markets.cache_stocks_quotes
WHERE ticker IN ('AAPL', 'KO')
AND sip_timestamp >= '2026-06-10 13:30:00'
AND sip_timestamp < '2026-06-10 20:00:00'
AND bid_price > 0
)
GROUP BY et_time
ORDER BY et_time
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