SPXS open interest by strike

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

At the October 20, 2026 close, SPXS options within 45 days held 27,010 calls and 40,058 puts in open interest, a put/call ratio of 1.48. The biggest call strike near the money was 25 and the biggest put strike 24.

27,010
Call OI
40,058
Put OI
1.48
Put/call OI
0.16
Put/call volume

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

Strikeputs ← open interest → calls
25
24.5
24
23.5

25 carried 3,885 calls and 24 carried 7,615 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 SPXS pages.

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

Common questions

What is SPXS's open interest?

27,010 calls and 40,058 puts within 45 days at the October 20, 2026 close.

Which SPXS strike has the most call open interest?

25 near the money, with 3,885 contracts.

Which SPXS strike has the most put open interest?

24 near the money, with 7,615 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.