Centene Corp. options tape
Read from CBOE's delayed chain on 23 September 2026, with Centene Corp. at $63.30: open interest within 90 days was 21,235 call and 24,239 put contracts, a put/call ratio of 1.14; the day's volume was 1,324 calls and 3,131 puts (2.36). The most call open interest sits at the $75.00 strike (3,374 contracts) and the most put open interest at $60.00 (6,144). The at-the-money straddle for 25 September 2026, 2 days out, was priced at 3.7% of spot. For 16 October 2026, implied volatility was 44.0% at the put 5% below spot and 43.4% at the call 5% above, +0.6 points.
Where the open interest sits
| Side | Strike | Open interest |
|---|---|---|
| Calls | $75.00 | 3,374 |
| Puts | $60.00 | 6,144 |
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 |
|---|---|---|---|
| 25 September 2026 put at $61.00 | 1,276 | 181 | $40,832 |
| 16 October 2026 put at $56.00 | 741 | 0 | $37,050 |
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 call at $67.50 | 346 | +282 |
| 20 November 2026 call at $50.00 | 285 | +279 |
Contracts whose open interest rose by 250 or more against the previous day's snapshot.
Source
CBOE delayed quotes for CNC, the free 15-minute-delayed chain, read once a day. Figures describe positioning; they are not a forecast.
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