Allstate Corp. options tape
Read from CBOE's delayed chain on 23 September 2026, with Allstate Corp. at $229.50: open interest within 90 days was 4,497 call and 7,374 put contracts, a put/call ratio of 1.64; the day's volume was 996 calls and 4,248 puts (4.27). The most call open interest sits at the $270.00 strike (876 contracts) and the most put open interest at $240.00 (1,689). The at-the-money straddle for 16 October 2026, 23 days out, was priced at 5.4% of spot. For 16 October 2026, implied volatility was 28.0% at the put 5% below spot and 26.0% at the call 5% above, +2.0 points.
Where the open interest sits
| Side | Strike | Open interest |
|---|---|---|
| Calls | $270.00 | 876 |
| Puts | $240.00 | 1,689 |
The strike with the most open interest on each side, across expiries within 90 days.
Strikes where the day's volume was at least twice the open interest
| Contract | Volume | Open interest before | Premium traded |
|---|---|---|---|
| 16 October 2026 call at $240.00 | 250 | 123 | $62,500 |
| 20 November 2026 call at $260.00 | 216 | 5 | $44,820 |
| 16 October 2026 put at $210.00 | 308 | 66 | $30,030 |
Volume of at least 200 contracts and at least twice the open interest, with at least $25,000 of premium at the mid; contracts expiring the same day are left out. Premium is mid price times volume times 100.
Open interest built since 22 September 2026
| Contract | Open interest now | Change |
|---|---|---|
| 20 November 2026 put at $240.00 | 448 | +446 |
| 16 October 2026 put at $230.00 | 574 | +250 |
Contracts whose open interest rose by 250 or more against the previous day's snapshot.
Source
CBOE delayed quotes for ALL, the free 15-minute-delayed chain, read once a day. Figures describe positioning; they are not a forecast.
The same record on your computer
GreekSoup is also a free program for your own computer. It reads these same filings for the names you follow, refreshed as they land, with no account. One pasted line installs it.