BILL open interest by strike

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

At the October 20, 2026 close, BILL options within 45 days held 3,834 calls and 5,380 puts in open interest, a put/call ratio of 1.4. The biggest call strike near the money was 50 and the biggest put strike 50.

3,834
Call OI
5,380
Put OI
1.4
Put/call OI
0.04
Put/call volume

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

Strikeputs ← open interest → calls
51
50
49
48.5
48
47.5
47

50 carried 1,253 calls and 50 carried 51 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 BILL pages.

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

Common questions

What is BILL's open interest?

3,834 calls and 5,380 puts within 45 days at the October 20, 2026 close.

Which BILL strike has the most call open interest?

50 near the money, with 1,253 contracts.

Which BILL strike has the most put open interest?

50 near the money, with 51 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.