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Contract OI history

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Jan 15, 2027 EXPIRATION

CSCO $100.00 Put

CSCO270115P00100000

Latest saved OI7,594Oct 23, 2026
Last change+402vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CSCO $100.00 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. 7,5943,7970 2026-10-09: 6,785 OI2026-10-13: 6,819 OI2026-10-14: 6,819 OI2026-10-15: 6,774 OI2026-10-16: 6,921 OI2026-10-21: 7,192 OI2026-10-23: 7,594 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, 2026Viewing7,594+402
Oct 21, 20267,192+271
Oct 16, 20266,921+147
Oct 15, 20266,774-45
Oct 14, 20266,8190
Oct 13, 20266,819+34
Oct 09, 20266,785No prior observation