SSO open interest by strike

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

At the October 20, 2026 close, SSO options within 45 days held 2,093 calls and 2,205 puts in open interest, a put/call ratio of 1.05. The biggest call strike near the money was 72 and the biggest put strike 70.

2,093
Call OI
2,205
Put OI
1.05
Put/call OI
1.06
Put/call volume

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

Strikeputs ← open interest → calls
73.5
73
72.5
72
71.5
71
70.5
70
69.5
69
68.5
68
67.5
67

72 carried 326 calls and 70 carried 326 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 SSO pages.

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

Common questions

What is SSO's open interest?

2,093 calls and 2,205 puts within 45 days at the October 20, 2026 close.

Which SSO strike has the most call open interest?

72 near the money, with 326 contracts.

Which SSO strike has the most put open interest?

70 near the money, with 326 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.