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Contract OI history

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Oct 30, 2026 EXPIRATION

CSCO $110.00 Put

CSCO261030P00110000

Latest saved OI1,243Oct 23, 2026
Last change+2vs 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. 1,2656320 2026-10-09: 491 OI2026-10-13: 579 OI2026-10-14: 579 OI2026-10-15: 1,265 OI2026-10-16: 1,212 OI2026-10-21: 1,241 OI2026-10-23: 1,243 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, 2026Viewing1,243+2
Oct 21, 20261,241+29
Oct 16, 20261,212-53
Oct 15, 20261,265+686
Oct 14, 20265790
Oct 13, 2026579+88
Oct 09, 2026491No prior observation