U open interest by strike

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

At the October 20, 2026 close, U options within 45 days held 75,388 calls and 43,850 puts in open interest, a put/call ratio of 0.58. The biggest call strike near the money was 40 and the biggest put strike 40.

75,388
Call OI
43,850
Put OI
0.58
Put/call OI
0.6
Put/call volume

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

Strikeputs ← open interest → calls
42
41.5
41
40.5
40
39.5
39
38.5

40 carried 5,948 calls and 40 carried 2,797 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 U pages.

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

Common questions

What is U's open interest?

75,388 calls and 43,850 puts within 45 days at the October 20, 2026 close.

Which U strike has the most call open interest?

40 near the money, with 5,948 contracts.

Which U strike has the most put open interest?

40 near the money, with 2,797 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.