OITracker Cboe delayed data

Contract OI history

Back to ZS

Jan 15, 2027 EXPIRATION

ZS $75.00 Put

ZS270115P00075000

Latest saved OI212Oct 23, 2026
Last change+1vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ZS $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. 2121060 2026-10-09: 168 OI2026-10-12: 166 OI2026-10-14: 168 OI2026-10-15: 173 OI2026-10-16: 174 OI2026-10-21: 211 OI2026-10-23: 212 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, 2026212+1
Oct 21, 2026Viewing211+37
Oct 16, 2026174+1
Oct 15, 2026173+5
Oct 14, 2026168+2
Oct 12, 2026166-2
Oct 09, 2026168No prior observation