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Contract OI history

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Dec 17, 2027 EXPIRATION

CSCO $72.50 Put

CSCO271217P00072500

Latest saved OI490Oct 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 $72.50 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. 4902450 2026-10-09: 490 OI2026-10-13: 490 OI2026-10-14: 490 OI2026-10-15: 490 OI2026-10-16: 490 OI2026-10-21: 490 OI2026-10-23: 490 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, 2026Viewing4900
Oct 21, 20264900
Oct 16, 20264900
Oct 15, 20264900
Oct 14, 20264900
Oct 13, 20264900
Oct 09, 2026490No prior observation