XLI open interest by strike

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

At the October 20, 2026 close, XLI options within 45 days held 67,880 calls and 123,724 puts in open interest, a put/call ratio of 1.82. The biggest call strike near the money was 175 and the biggest put strike 170.

67,880
Call OI
123,724
Put OI
1.82
Put/call OI
0.91
Put/call volume

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

Strikeputs ← open interest → calls
175
174
173
172.5
172
171
170
169
168
167.5
167
166
165
164
163
162.5
162
161
160
159

175 carried 10,833 calls and 170 carried 36,465 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 XLI pages.

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

Common questions

What is XLI's open interest?

67,880 calls and 123,724 puts within 45 days at the October 20, 2026 close.

Which XLI strike has the most call open interest?

175 near the money, with 10,833 contracts.

Which XLI strike has the most put open interest?

170 near the money, with 36,465 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.