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Contract OI history

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Apr 16, 2027 EXPIRATION

CSCO $75.00 Put

CSCO270416P00075000

Latest saved OI659Oct 23, 2026
Last change+7vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CSCO $75.00 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. 6593290 2026-10-09: 650 OI2026-10-13: 652 OI2026-10-14: 652 OI2026-10-15: 652 OI2026-10-16: 652 OI2026-10-21: 652 OI2026-10-23: 659 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, 2026Viewing659+7
Oct 21, 20266520
Oct 16, 20266520
Oct 15, 20266520
Oct 14, 20266520
Oct 13, 2026652+2
Oct 09, 2026650No prior observation