Norfolk Southern Corp. options tape
Read from CBOE's delayed chain on 23 September 2026, with Norfolk Southern Corp. at $309.07: open interest within 90 days was 2,091 call and 1,311 put contracts, a put/call ratio of 0.63; the day's volume was 106 calls and 826 puts (7.79). The most call open interest sits at the $330.00 strike (420 contracts) and the most put open interest at $330.00 (511). The at-the-money straddle for 16 October 2026, 23 days out, was priced at 4.3% of spot. For 16 October 2026, implied volatility was 21.9% at the put 5% below spot and 20.1% at the call 5% above, +1.8 points.
Where the open interest sits
| Side | Strike | Open interest |
|---|---|---|
| Calls | $330.00 | 420 |
| Puts | $330.00 | 511 |
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 |
|---|---|---|---|
| 20 November 2026 put at $330.00 | 400 | 0 | $932,000 |
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.
Source
CBOE delayed quotes for NSC, the free 15-minute-delayed chain, read once a day. Figures describe positioning; they are not a forecast.
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