Amgen Inc. options tape
Read from CBOE's delayed chain on 23 September 2026, with Amgen Inc. at $409.75: open interest within 90 days was 33,619 call and 43,187 put contracts, a put/call ratio of 1.28; the day's volume was 9,601 calls and 2,524 puts (0.26). The most call open interest sits at the $400.00 strike (3,373 contracts) and the most put open interest at $310.00 (7,014). The at-the-money straddle for 25 September 2026, 2 days out, was priced at 2.3% of spot. For 16 October 2026, implied volatility was 26.6% at the put 5% below spot and 26.5% at the call 5% above, +0.2 points.
Where the open interest sits
| Side | Strike | Open interest |
|---|---|---|
| Calls | $400.00 | 3,373 |
| Puts | $310.00 | 7,014 |
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 |
|---|---|---|---|
| 18 December 2026 call at $440.00 | 883 | 393 | $1.1 million |
| 25 September 2026 call at $420.00 | 501 | 96 | $63,878 |
| 25 September 2026 call at $425.00 | 689 | 148 | $53,053 |
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 $360.00 | 1,150 | +1,074 |
| 16 October 2026 call at $395.00 | 646 | +372 |
Contracts whose open interest rose by 250 or more against the previous day's snapshot.
Source
CBOE delayed quotes for AMGN, the free 15-minute-delayed chain, read once a day. Figures describe positioning; they are not a forecast.
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