OITracker Cboe delayed data

Contract OI history

Back to ECO

Dec 17, 2027 EXPIRATION

ECO $125.00 Call

ECO271217C00125000

Latest saved OI287Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ECO $125.00 call open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 2871430 2026-10-02: 150 OI2026-10-05: 150 OI2026-10-06: 150 OI2026-10-07: 150 OI2026-10-08: 150 OI2026-10-09: 286 OI2026-10-13: 287 OI2026-10-14: 287 OI2026-10-16: 287 OI2026-10-21: 287 OI2026-10-23: 287 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

ECO contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing2870
Oct 21, 20262870
Oct 16, 20262870
Oct 14, 20262870
Oct 13, 2026287+1
Oct 09, 2026286+136
Oct 08, 20261500
Oct 07, 20261500
Oct 06, 20261500
Oct 05, 20261500
Oct 02, 2026150No prior observation