Cardinal Health Inc. options tape
Read from CBOE's delayed chain on 23 September 2026, with Cardinal Health Inc. at $225.75: open interest within 90 days was 7,030 call and 1,988 put contracts, a put/call ratio of 0.28; the day's volume was 884 calls and 163 puts (0.18). The most call open interest sits at the $240.00 strike (2,539 contracts) and the most put open interest at $230.00 (342). The at-the-money straddle for 25 September 2026, 2 days out, was priced at 2.5% of spot. For 16 October 2026, implied volatility was 27.4% at the put 5% below spot and 26.2% at the call 5% above, +1.2 points.
Where the open interest sits
| Side | Strike | Open interest |
|---|---|---|
| Calls | $240.00 | 2,539 |
| Puts | $230.00 | 342 |
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 call at $240.00 | 305 | 4 | $192,150 |
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 CAH, the free 15-minute-delayed chain, read once a day. Figures describe positioning; they are not a forecast.
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