Contract OI history

Back to ECO

May 21, 2027 EXPIRATION

ECO $75.00 Call

ECO270521C00075000

Latest saved OI155Oct 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 $75.00 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. 155770 2026-10-02: 154 OI2026-10-05: 154 OI2026-10-06: 154 OI2026-10-07: 154 OI2026-10-08: 154 OI2026-10-09: 154 OI2026-10-13: 154 OI2026-10-14: 154 OI2026-10-16: 155 OI2026-10-21: 155 OI2026-10-23: 155 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, 2026Viewing1550
Oct 21, 20261550
Oct 16, 2026155+1
Oct 14, 20261540
Oct 13, 20261540
Oct 09, 20261540
Oct 08, 20261540
Oct 07, 20261540
Oct 06, 20261540
Oct 05, 20261540
Oct 02, 2026154No prior observation