The total is a call-volume-weighted blend of the two buckets
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 2026-10-04, from Equity vs Index Put/Call Ratio: What's High?.
| index_share_of_call_volume | equity_ratio | index_ratio | blended_total_ratio |
|---|---|---|---|
| 0% | 0.546 | 1.371 | 0.546 |
| 10% | 0.546 | 1.371 | 0.629 |
| 20% | 0.546 | 1.371 | 0.711 |
| 30% | 0.546 | 1.371 | 0.794 |
| 40% | 0.546 | 1.371 | 0.876 |
| 50% | 0.546 | 1.371 | 0.958 |
| 60% | 0.546 | 1.371 | 1.041 |
| 70% | 0.546 | 1.371 | 1.124 |
| 80% | 0.546 | 1.371 | 1.206 |
| 90% | 0.546 | 1.371 | 1.288 |
| 100% | 0.546 | 1.371 | 1.371 |
- Rows × columns
- 11 × 4
- 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 |
|---|---|---|---|
index_share_of_call_volume |
text | 11 distinct values (0%, 10%, 100%…) | |
equity_ratio |
number | every row is 0.546 | ratio or rate |
index_ratio |
number | every row is 1.371 | ratio or rate |
blended_total_ratio |
number | 0.546 to 1.371 | ratio or rate |
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 components AS
(
SELECT
round(sumIf(volume, startsWith(lower(option_type), 'p') AND underlying_symbol NOT IN ('SPY', 'QQQ', 'IWM', 'DIA'))
/ sumIf(volume, startsWith(lower(option_type), 'c') AND underlying_symbol NOT IN ('SPY', 'QQQ', 'IWM', 'DIA')), 3) AS equity_ratio,
round(sumIf(volume, startsWith(lower(option_type), 'p') AND underlying_symbol IN ('SPY', 'QQQ', 'IWM', 'DIA'))
/ sumIf(volume, startsWith(lower(option_type), 'c') AND underlying_symbol IN ('SPY', 'QQQ', 'IWM', 'DIA')), 3) AS index_ratio
FROM global_markets.options_greeks
WHERE date >= (SELECT toDate(max(date))
FROM global_markets.options_greeks
WHERE volume > 0) - 60
AND volume > 0
AND underlying_symbol IN ('AAPL', 'MSFT', 'NVDA', 'AMZN', 'TSLA', 'JPM', 'KO', 'JNJ',
'SPY', 'QQQ', 'IWM', 'DIA')
HAVING sumIf(volume, startsWith(lower(option_type), 'c') AND underlying_symbol IN ('SPY', 'QQQ', 'IWM', 'DIA')) > 0
AND sumIf(volume, startsWith(lower(option_type), 'c') AND underlying_symbol NOT IN ('SPY', 'QQQ', 'IWM', 'DIA')) > 0
)
SELECT
concat(toString(step * 10), '%') AS index_share_of_call_volume,
equity_ratio,
index_ratio,
round(equity_ratio + (index_ratio - equity_ratio) * (step / 10), 3) AS blended_total_ratio
FROM
(
SELECT
equity_ratio,
index_ratio,
arrayJoin(range(11)) AS step
FROM components
)
ORDER BY step
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