OITracker Cboe delayed data

Contract OI history

Back to ZS

Jan 15, 2027 EXPIRATION

ZS $200.00 Call

ZS270115C00200000

Latest saved OI2,075Oct 23, 2026
Last change-16vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ZS $200.00 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. 2,1341,0670 2026-10-09: 2,134 OI2026-10-12: 2,086 OI2026-10-14: 2,080 OI2026-10-15: 2,076 OI2026-10-16: 2,070 OI2026-10-21: 2,091 OI2026-10-23: 2,075 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, 20262,075-16
Oct 21, 2026Viewing2,091+21
Oct 16, 20262,070-6
Oct 15, 20262,076-4
Oct 14, 20262,080-6
Oct 12, 20262,086-48
Oct 09, 20262,134No prior observation