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Contract OI history

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Mar 19, 2027 EXPIRATION

CSCO $82.50 Put

CSCO270319P00082500

Latest saved OI1,222Oct 23, 2026
Last change+15vs 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. 1,2226110 2026-10-09: 1,161 OI2026-10-13: 1,161 OI2026-10-14: 1,161 OI2026-10-15: 1,203 OI2026-10-16: 1,206 OI2026-10-21: 1,207 OI2026-10-23: 1,222 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, 2026Viewing1,222+15
Oct 21, 20261,207+1
Oct 16, 20261,206+3
Oct 15, 20261,203+42
Oct 14, 20261,1610
Oct 13, 20261,1610
Oct 09, 20261,161No prior observation