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Contract OI history

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Mar 19, 2027 EXPIRATION

CSCO $125.00 Put

CSCO270319P00125000

Latest saved OI399Oct 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 $125.00 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. 4082040 2026-10-09: 407 OI2026-10-13: 408 OI2026-10-14: 408 OI2026-10-15: 399 OI2026-10-16: 399 OI2026-10-21: 399 OI2026-10-23: 399 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, 2026Viewing3990
Oct 21, 20263990
Oct 16, 20263990
Oct 15, 2026399-9
Oct 14, 20264080
Oct 13, 2026408+1
Oct 09, 2026407No prior observation