OITracker Cboe delayed data

Contract OI history

Back to ZS

Mar 19, 2027 EXPIRATION

ZS $250.00 Call

ZS270319C00250000

Latest saved OI477Oct 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 $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. 4862430 2026-10-09: 476 OI2026-10-12: 450 OI2026-10-14: 450 OI2026-10-15: 467 OI2026-10-16: 486 OI2026-10-21: 477 OI2026-10-23: 477 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, 20264770
Oct 21, 2026Viewing477-9
Oct 16, 2026486+19
Oct 15, 2026467+17
Oct 14, 20264500
Oct 12, 2026450-26
Oct 09, 2026476No prior observation