OITracker Cboe delayed data

Contract OI history

Back to ZS

Nov 20, 2026 EXPIRATION

ZS $260.00 Call

ZS261120C00260000

Latest saved OI1,208Oct 23, 2026
Last change+12vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ZS $260.00 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. 1,2086040 2026-10-09: 646 OI2026-10-12: 882 OI2026-10-14: 1,177 OI2026-10-15: 1,178 OI2026-10-16: 1,196 OI2026-10-21: 1,196 OI2026-10-23: 1,208 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, 2026Viewing1,208+12
Oct 21, 20261,1960
Oct 16, 20261,196+18
Oct 15, 20261,178+1
Oct 14, 20261,177+295
Oct 12, 2026882+236
Oct 09, 2026646No prior observation