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Contract OI history

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Jun 17, 2027 EXPIRATION

CSCO $85.00 Put

CSCO270617P00085000

Latest saved OI980Oct 23, 2026
Last change0vs 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. 1,0225110 2026-10-09: 1,022 OI2026-10-13: 1,022 OI2026-10-14: 1,022 OI2026-10-15: 1,022 OI2026-10-16: 979 OI2026-10-21: 980 OI2026-10-23: 980 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, 2026Viewing9800
Oct 21, 2026980+1
Oct 16, 2026979-43
Oct 15, 20261,0220
Oct 14, 20261,0220
Oct 13, 20261,0220
Oct 09, 20261,022No prior observation