OITracker Cboe delayed data

Contract OI history

Back to CSCO

Mar 19, 2027 EXPIRATION

CSCO $75.00 Put

CSCO270319P00075000

Latest saved OI7,671Oct 23, 2026
Last change+2vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CSCO $75.00 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. 7,6713,8350 2026-10-09: 7,669 OI2026-10-13: 7,669 OI2026-10-14: 7,669 OI2026-10-15: 7,669 OI2026-10-16: 7,669 OI2026-10-21: 7,669 OI2026-10-23: 7,671 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, 2026Viewing7,671+2
Oct 21, 20267,6690
Oct 16, 20267,6690
Oct 15, 20267,6690
Oct 14, 20267,6690
Oct 13, 20267,6690
Oct 09, 20267,669No prior observation