OITracker Cboe delayed data

Contract OI history

Back to ZS

Nov 20, 2026 EXPIRATION

ZS $250.00 Call

ZS261120C00250000

Latest saved OI1,714Oct 23, 2026
Last change+135vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ZS $250.00 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. 1,7148570 2026-10-09: 1,048 OI2026-10-12: 1,308 OI2026-10-14: 1,486 OI2026-10-15: 1,484 OI2026-10-16: 1,482 OI2026-10-21: 1,579 OI2026-10-23: 1,714 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, 20261,714+135
Oct 21, 2026Viewing1,579+97
Oct 16, 20261,482-2
Oct 15, 20261,484-2
Oct 14, 20261,486+178
Oct 12, 20261,308+260
Oct 09, 20261,048No prior observation