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Contract OI history

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Jan 21, 2028 EXPIRATION

CSCO $140.00 Put

CSCO280121P00140000

Latest saved OI5,099Oct 23, 2026
Last change-1vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CSCO $140.00 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. 5,1002,5500 2026-10-09: 5,100 OI2026-10-13: 5,100 OI2026-10-14: 5,100 OI2026-10-15: 5,100 OI2026-10-16: 5,100 OI2026-10-21: 5,100 OI2026-10-23: 5,099 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, 2026Viewing5,099-1
Oct 21, 20265,1000
Oct 16, 20265,1000
Oct 15, 20265,1000
Oct 14, 20265,1000
Oct 13, 20265,1000
Oct 09, 20265,100No prior observation