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Contract OI history

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Jan 15, 2027 EXPIRATION

CSCO $87.50 Put

CSCO270115P00087500

Latest saved OI968Oct 23, 2026
Last change+88vs 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. 9684840 2026-10-09: 779 OI2026-10-13: 791 OI2026-10-14: 791 OI2026-10-15: 793 OI2026-10-16: 799 OI2026-10-21: 880 OI2026-10-23: 968 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, 2026Viewing968+88
Oct 21, 2026880+81
Oct 16, 2026799+6
Oct 15, 2026793+2
Oct 14, 20267910
Oct 13, 2026791+12
Oct 09, 2026779No prior observation