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Dec 17, 2027 EXPIRATION

CSCO $87.50 Put

CSCO271217P00087500

Latest saved OI293Oct 23, 2026
Last change+3vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CSCO $87.50 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. 2931460 2026-10-09: 268 OI2026-10-13: 268 OI2026-10-14: 268 OI2026-10-15: 268 OI2026-10-16: 268 OI2026-10-21: 290 OI2026-10-23: 293 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, 2026Viewing293+3
Oct 21, 2026290+22
Oct 16, 20262680
Oct 15, 20262680
Oct 14, 20262680
Oct 13, 20262680
Oct 09, 2026268No prior observation