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Contract OI history

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Jan 19, 2029 EXPIRATION

CSCO $100.00 Call

CSCO290119C00100000

Latest saved OI1,098Oct 23, 2026
Last change+11vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CSCO $100.00 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 1,0985490 2026-10-09: 59 OI2026-10-13: 59 OI2026-10-14: 59 OI2026-10-15: 59 OI2026-10-16: 85 OI2026-10-21: 1,087 OI2026-10-23: 1,098 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, 2026Viewing1,098+11
Oct 21, 20261,087+1,002
Oct 16, 202685+26
Oct 15, 2026590
Oct 14, 2026590
Oct 13, 2026590
Oct 09, 202659No prior observation