OITracker Cboe delayed data

Contract OI history

Back to ZS

Oct 23, 2026 EXPIRATION

ZS $210.00 Call

ZS261023C00210000

Latest saved OI74Oct 23, 2026
Last change-92vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ZS $210.00 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 166830 2026-10-09: 127 OI2026-10-12: 122 OI2026-10-14: 128 OI2026-10-15: 128 OI2026-10-16: 138 OI2026-10-21: 166 OI2026-10-23: 74 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, 202674-92
Oct 21, 2026Viewing166+28
Oct 16, 2026138+10
Oct 15, 20261280
Oct 14, 2026128+6
Oct 12, 2026122-5
Oct 09, 2026127No prior observation