TZA open interest by strike

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

At the October 20, 2026 close, TZA options within 45 days held 6,354 calls and 580 puts in open interest, a put/call ratio of 0.09. The biggest call strike near the money was 50 and the biggest put strike 47.

6,354
Call OI
580
Put OI
0.09
Put/call OI
0.41
Put/call volume

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

Strikeputs ← open interest → calls
51
50
49
48
47

50 carried 1,791 calls and 47 carried 60 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 TZA pages.

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

Common questions

What is TZA's open interest?

6,354 calls and 580 puts within 45 days at the October 20, 2026 close.

Which TZA strike has the most call open interest?

50 near the money, with 1,791 contracts.

Which TZA strike has the most put open interest?

47 near the money, with 60 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.