AMKR open interest by strike

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

At the October 20, 2026 close, AMKR options within 45 days held 3,662 calls and 14,580 puts in open interest, a put/call ratio of 3.98. The biggest call strike near the money was 42 and the biggest put strike 40.

3,662
Call OI
14,580
Put OI
3.98
Put/call OI
1.04
Put/call volume

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

Strikeputs ← open interest → calls
43.5
43
42.5
42
41.5
41
40.5
40

42 carried 360 calls and 40 carried 1,574 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 AMKR pages.

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

Common questions

What is AMKR's open interest?

3,662 calls and 14,580 puts within 45 days at the October 20, 2026 close.

Which AMKR strike has the most call open interest?

42 near the money, with 360 contracts.

Which AMKR strike has the most put open interest?

40 near the money, with 1,574 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.