OITracker Cboe delayed data

Contract OI history

Back to ZS

Jan 15, 2027 EXPIRATION

ZS $280.00 Put

ZS270115P00280000

Latest saved OI46Oct 23, 2026
Last change+4vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ZS $280.00 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. 46230 2026-10-09: 42 OI2026-10-12: 42 OI2026-10-14: 42 OI2026-10-15: 42 OI2026-10-16: 42 OI2026-10-21: 42 OI2026-10-23: 46 OI Oct 09, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

ZS contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing46+4
Oct 21, 2026420
Oct 16, 2026420
Oct 15, 2026420
Oct 14, 2026420
Oct 12, 2026420
Oct 09, 202642No prior observation