quote_rate
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 2026-10-02, from do-nyse-and-nasdaq-have-public-apis.
| symbol | quotes_per_sec |
|---|---|
| SPY | 128.1 |
| NVDA | 80.5 |
| AAPL | 37.4 |
| KO | 20.9 |
| MSFT | 9.8 |
- Rows × columns
- 5 × 2
- 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 |
|---|---|---|---|
symbol |
text | 5 distinct values (AAPL, KO, MSFT…) | |
quotes_per_sec |
number | 9.8 to 128.1 |
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.
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
ticker AS symbol,
round(count() / 3600.0, 1) AS quotes_per_sec
FROM global_markets.cache_stocks_quotes
WHERE ticker IN ('AAPL', 'MSFT', 'NVDA', 'SPY', 'KO')
AND sip_timestamp >= toDateTime('2026-09-15 14:00:00', 'UTC')
AND sip_timestamp < toDateTime('2026-09-15 15:00:00', 'UTC')
AND bid_price > 0
AND ask_price > bid_price
GROUP BY ticker
ORDER BY quotes_per_sec DESC
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