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Contract OI history

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Oct 30, 2026 EXPIRATION

CSCO $121.00 Call

CSCO261030C00121000

Latest saved OI429Oct 23, 2026
Last change-1vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CSCO $121.00 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. 4302150 2026-10-09: 390 OI2026-10-13: 396 OI2026-10-14: 396 OI2026-10-15: 390 OI2026-10-16: 395 OI2026-10-21: 430 OI2026-10-23: 429 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, 2026Viewing429-1
Oct 21, 2026430+35
Oct 16, 2026395+5
Oct 15, 2026390-6
Oct 14, 20263960
Oct 13, 2026396+6
Oct 09, 2026390No prior observation