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Contract OI history

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Jan 19, 2029 EXPIRATION

CSCO $120.00 Put

CSCO290119P00120000

Latest saved OI417Oct 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 $120.00 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. 4172080 2026-10-09: 17 OI2026-10-13: 17 OI2026-10-14: 17 OI2026-10-15: 417 OI2026-10-16: 417 OI2026-10-21: 417 OI2026-10-23: 417 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, 2026Viewing4170
Oct 21, 20264170
Oct 16, 20264170
Oct 15, 2026417+400
Oct 14, 2026170
Oct 13, 2026170
Oct 09, 202617No prior observation