Southern Co. options tape
Read from CBOE's delayed chain on 23 September 2026, with Southern Co. at $85.15: open interest within 90 days was 27,566 call and 17,203 put contracts, a put/call ratio of 0.62; the day's volume was 4,496 calls and 392 puts (0.09). The most call open interest sits at the $92.50 strike (4,269 contracts) and the most put open interest at $85.00 (5,358). The at-the-money straddle for 25 September 2026, 2 days out, was priced at 1.4% of spot. For 16 October 2026, implied volatility was 20.5% at the put 5% below spot and 16.3% at the call 5% above, +4.2 points.
Where the open interest sits
| Side | Strike | Open interest |
|---|---|---|
| Calls | $92.50 | 4,269 |
| Puts | $85.00 | 5,358 |
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 $87.50 | 1,981 | 789 | $128,765 |
| 9 October 2026 call at $88.00 | 1,400 | 30 | $49,000 |
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 |
|---|---|---|
| 16 October 2026 call at $88.00 | 371 | +371 |
| 16 October 2026 call at $92.50 | 704 | +302 |
Contracts whose open interest rose by 250 or more against the previous day's snapshot.
Source
CBOE delayed quotes for SO, the free 15-minute-delayed chain, read once a day. Figures describe positioning; they are not a forecast.
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