Options NBBO tape: total updates vs the stock tape, plus the SPY root slice, July 30
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 2026-08-02, from Market Recap: July 30, 2026, The Day in Numbers.
- Rows × columns
- 1 × 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 |
|---|---|---|---|
jul30_options_bn |
number | every row is 10.32 | |
options_to_stock_ratio |
number | every row is 18.4 | ratio or rate |
jul30_spy_options_m |
number | every row is 441 |
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.
WITH
(SELECT count() FROM global_markets.cache_options_quotes WHERE sip_timestamp >= '2026-07-30 00:00:00' AND sip_timestamp < '2026-07-31 00:00:00') AS jul30_options_rows,
(SELECT count() FROM global_markets.cache_stocks_quotes WHERE sip_timestamp >= '2026-07-30 00:00:00' AND sip_timestamp < '2026-07-31 00:00:00') AS jul30_stock_quote_rows
SELECT
round(jul30_options_rows / 1e9, 2) AS jul30_options_bn,
round(jul30_options_rows / jul30_stock_quote_rows, 1) AS options_to_stock_ratio,
round((SELECT count() FROM global_markets.cache_options_quotes WHERE ticker >= 'O:SPY26' AND ticker < 'O:SPY27' AND sip_timestamp >= '2026-07-30 13:30:00' AND sip_timestamp < '2026-07-30 20:00:00') / 1e6, 0) AS jul30_spy_options_m