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Contract OI history

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Jan 15, 2027 EXPIRATION

CSCO $85.00 Put

CSCO270115P00085000

Latest saved OI2,962Oct 23, 2026
Last change+35vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CSCO $85.00 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. 2,9621,4810 2026-10-09: 2,832 OI2026-10-13: 2,843 OI2026-10-14: 2,843 OI2026-10-15: 2,847 OI2026-10-16: 2,866 OI2026-10-21: 2,927 OI2026-10-23: 2,962 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, 2026Viewing2,962+35
Oct 21, 20262,927+61
Oct 16, 20262,866+19
Oct 15, 20262,847+4
Oct 14, 20262,8430
Oct 13, 20262,843+11
Oct 09, 20262,832No prior observation