ADI open interest by strike

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

At the October 20, 2026 close, ADI options within 45 days held 9,851 calls and 8,332 puts in open interest, a put/call ratio of 0.85. The biggest call strike near the money was 410 and the biggest put strike 377.5.

9,851
Call OI
8,332
Put OI
0.85
Put/call OI
1.09
Put/call volume

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

Strikeputs ← open interest → calls
415
412.5
410
407.5
405
402.5
400
397.5
395
392.5
390
387.5
385
382.5
380
377.5

410 carried 1,262 calls and 377.5 carried 1,580 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 ADI pages.

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

Common questions

What is ADI's open interest?

9,851 calls and 8,332 puts within 45 days at the October 20, 2026 close.

Which ADI strike has the most call open interest?

410 near the money, with 1,262 contracts.

Which ADI strike has the most put open interest?

377.5 near the money, with 1,580 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.