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Contract OI history

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Dec 17, 2027 EXPIRATION

CSCO $120.00 Put

CSCO271217P00120000

Latest saved OI185Oct 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 $120.00 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. 185920 2026-10-09: 182 OI2026-10-13: 182 OI2026-10-14: 182 OI2026-10-15: 182 OI2026-10-16: 182 OI2026-10-21: 182 OI2026-10-23: 185 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, 2026Viewing185+3
Oct 21, 20261820
Oct 16, 20261820
Oct 15, 20261820
Oct 14, 20261820
Oct 13, 20261820
Oct 09, 2026182No prior observation