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Contract OI history

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Apr 16, 2027 EXPIRATION

CSCO $80.00 Put

CSCO270416P00080000

Latest saved OI121Oct 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 $80.00 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. 121600 2026-10-09: 86 OI2026-10-13: 86 OI2026-10-14: 86 OI2026-10-15: 86 OI2026-10-16: 86 OI2026-10-21: 119 OI2026-10-23: 121 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, 2026Viewing121+2
Oct 21, 2026119+33
Oct 16, 2026860
Oct 15, 2026860
Oct 14, 2026860
Oct 13, 2026860
Oct 09, 202686No prior observation