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Contract OI history

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Jan 15, 2027 EXPIRATION

CSCO $82.50 Put

CSCO270115P00082500

Latest saved OI3,082Oct 23, 2026
Last change+17vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CSCO $82.50 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 3,0821,5410 2026-10-09: 3,052 OI2026-10-13: 3,056 OI2026-10-14: 3,056 OI2026-10-15: 3,056 OI2026-10-16: 3,056 OI2026-10-21: 3,065 OI2026-10-23: 3,082 OI Oct 09, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

CSCO contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing3,082+17
Oct 21, 20263,065+9
Oct 16, 20263,0560
Oct 15, 20263,0560
Oct 14, 20263,0560
Oct 13, 20263,056+4
Oct 09, 20263,052No prior observation