AMGN open interest by strike

From the closing options book · October 20, 2026 · updated after every close

At the October 20, 2026 close, AMGN options within 45 days held 16,812 calls and 8,813 puts in open interest, a put/call ratio of 0.52. The biggest call strike near the money was 425 and the biggest put strike 420.

16,812
Call OI
8,813
Put OI
0.52
Put/call OI
1.2
Put/call volume

AMGN open interest by strike, within 5% of the close

Strikeputs ← open interest → calls
460
457.5
455
452.5
450
447.5
445
442.5
440
437.5
435
432.5
430
427.5
425
422.5
420
417.5

425 carried 2,103 calls and 420 carried 278 puts.

Open interest counts contracts still open after the close; it settles overnight. Large strikes are where dealer hedging is concentrated, which is why open interest feeds the gamma levels and max pain on the other AMGN pages.

These are the October 20, 2026 closing numbers. Members see AMGN's map move live all session.

Common questions

What is AMGN's open interest?

16,812 calls and 8,813 puts within 45 days at the October 20, 2026 close.

Which AMGN strike has the most call open interest?

425 near the money, with 2,103 contracts.

Which AMGN strike has the most put open interest?

420 near the money, with 278 contracts.

Compare: open interest by strike on other tickers

Measured from the closing options book and rebuilt after every close. Nothing on this page is live. Levels are where dealer hedging is concentrated, not targets or forecasts. Not investment advice.