Theta and vega across expiry bands, near the money AAPL
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 2026-08-22, from What Is a Calendar Spread in Options?.
| dte_band | theta_per_day_abs | vega_per_iv_point |
|---|---|---|
| 1-10 DTE | 0.4564 | 0.1142 |
| 11-25 DTE | 0.2151 | 0.2286 |
| 26-45 DTE | 0.1407 | 0.3667 |
| 46-90 DTE | 0.1091 | 0.5009 |
| 91-180 DTE | 0.0773 | 0.738 |
| 181+ DTE | 0.0569 | 1.0213 |
- 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 |
|---|---|---|---|
dte_band |
text | 6 distinct values (1-10 DTE, 11-25 DTE, 181+ DTE…) | |
theta_per_day_abs |
number | 0.0569 to 0.4564 | |
vega_per_iv_point |
number | 0.1142 to 1.0213 | 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.
the exact SQL behind every number
SELECT
multiIf(days_to_expiry <= 10, '1-10 DTE',
days_to_expiry <= 25, '11-25 DTE',
days_to_expiry <= 45, '26-45 DTE',
days_to_expiry <= 90, '46-90 DTE',
days_to_expiry <= 180, '91-180 DTE',
'181+ DTE') AS dte_band,
round(avg(abs(theta)), 4) AS theta_per_day_abs,
round(avg(abs(vega)), 4) AS vega_per_iv_point
FROM global_markets.options_greeks
WHERE underlying_symbol = 'AAPL'
AND date >= today() - 30
AND date <= today() - 2
AND iv_converged = 1
AND volume > 0
AND days_to_expiry BETWEEN 1 AND 400
AND abs(toFloat64(strike_price) / toFloat64(underlying_close) - 1) < 0.05
GROUP BY dte_band
ORDER BY min(days_to_expiry)
Run your own version of this
The same 22 years of US equities and 12 years of options data are queryable in SQL or plain English. A free account runs 100 queries a day and takes no card.
More from this analysisWhat Is a Calendar Spread in Options?
Near the money implied volatility by expiry band, three names
ranking 6×4
→
How often front volatility sat above back volatility
ranking 5×4
→
AAPL front band against back band implied volatility, trailing months
series 81×4
→
One SPY $600 LEAPS call's price over two years (expired Jan 16 2026)
series 470×2
→
One SPY $740 call's price over its 7-week life (expired Jun 18 2026)
series 31×2
→
The stock both options tracked: SPY, May 1 to Jun 15 2026
series 31×3
→
See all 2,170 queries →