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Contract OI history

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Dec 18, 2026 EXPIRATION

CSCO $110.00 Put

CSCO261218P00110000

Latest saved OI4,538Oct 23, 2026
Last change-9vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CSCO $110.00 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. 4,5562,2780 2026-10-09: 4,435 OI2026-10-13: 4,490 OI2026-10-14: 4,490 OI2026-10-15: 4,509 OI2026-10-16: 4,556 OI2026-10-21: 4,547 OI2026-10-23: 4,538 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, 2026Viewing4,538-9
Oct 21, 20264,547-9
Oct 16, 20264,556+47
Oct 15, 20264,509+19
Oct 14, 20264,4900
Oct 13, 20264,490+55
Oct 09, 20264,435No prior observation