roll_credit
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 2026-09-25, from when-to-adjust-a-short-straddle.
| strike_distance | put_credit | put_delta |
|---|---|---|
| 0% below spot | 3.71 | 0.411 |
| 1% below spot | 2.22 | 0.255 |
| 2% below spot | 1.17 | 0.133 |
| 3% below spot | 0.65 | 0.074 |
| 4% below spot | 0.38 | 0.043 |
| 5% below spot | 0.24 | 0.027 |
- Rows × columns
- 6 × 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 |
|---|---|---|---|
strike_distance |
text | 6 distinct values | |
put_credit |
number | 0.24 to 3.71 | |
put_delta |
number | 0.027 to 0.411 |
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
concat(toString(gap_pct), '% below spot') AS strike_distance,
round(avg(toFloat64(option_close)), 2) AS put_credit,
round(avg(abs(delta)), 3) AS put_delta
FROM
(
SELECT
toInt32(round((1 - toFloat64(strike_price) / toFloat64(underlying_close)) * 100)) AS gap_pct,
option_close,
delta
FROM global_markets.options_greeks
WHERE underlying_symbol = 'SPY'
AND date >= today() - 120
AND iv_converged = 1
AND volume > 0
AND lower(option_type) LIKE 'p%'
AND days_to_expiry BETWEEN 2 AND 9
AND toFloat64(strike_price) < toFloat64(underlying_close)
AND (1 - toFloat64(strike_price) / toFloat64(underlying_close)) < 0.055
)
WHERE gap_pct BETWEEN 0 AND 5
GROUP BY gap_pct
ORDER BY gap_pct
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