CNC open interest by strike

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

At the October 20, 2026 close, CNC options within 45 days held 10,747 calls and 6,004 puts in open interest, a put/call ratio of 0.56. The biggest call strike near the money was 70 and the biggest put strike 70.

10,747
Call OI
6,004
Put OI
0.56
Put/call OI
0.31
Put/call volume

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

Strikeputs ← open interest → calls
74
73
72.5
72
71
70
69
68
67.5

70 carried 1,882 calls and 70 carried 143 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 CNC pages.

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

Common questions

What is CNC's open interest?

10,747 calls and 6,004 puts within 45 days at the October 20, 2026 close.

Which CNC strike has the most call open interest?

70 near the money, with 1,882 contracts.

Which CNC strike has the most put open interest?

70 near the money, with 143 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.