OITracker Cboe delayed data

Contract OI history

Back to ZS

Jun 16, 2028 EXPIRATION

ZS $140.00 Call

ZS280616C00140000

Latest saved OI131Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ZS $140.00 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. 131650 2026-10-09: 130 OI2026-10-12: 130 OI2026-10-14: 130 OI2026-10-15: 130 OI2026-10-16: 130 OI2026-10-21: 131 OI2026-10-23: 131 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, 20261310
Oct 21, 2026Viewing131+1
Oct 16, 20261300
Oct 15, 20261300
Oct 14, 20261300
Oct 12, 20261300
Oct 09, 2026130No prior observation