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Contract OI history

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Jan 21, 2028 EXPIRATION

CSCO $170.00 Call

CSCO280121C00170000

Latest saved OI1,655Oct 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 $170.00 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. 1,6558270 2026-10-09: 1,542 OI2026-10-13: 1,542 OI2026-10-14: 1,542 OI2026-10-15: 1,542 OI2026-10-16: 1,542 OI2026-10-21: 1,655 OI2026-10-23: 1,655 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, 2026Viewing1,6550
Oct 21, 20261,655+113
Oct 16, 20261,5420
Oct 15, 20261,5420
Oct 14, 20261,5420
Oct 13, 20261,5420
Oct 09, 20261,542No prior observation