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Contract OI history

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Nov 20, 2026 EXPIRATION

EC $18.00 Put

EC261120P00018000

Latest saved OI620Oct 23, 2026
Last change-8vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
EC $18.00 put open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 6313150 2026-10-02: 595 OI2026-10-05: 595 OI2026-10-06: 595 OI2026-10-07: 595 OI2026-10-08: 595 OI2026-10-09: 595 OI2026-10-13: 595 OI2026-10-15: 595 OI2026-10-16: 631 OI2026-10-20: 628 OI2026-10-23: 620 OI Oct 02, 2026Oct 23, 2026

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

EC contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing620-8
Oct 20, 2026628-3
Oct 16, 2026631+36
Oct 15, 20265950
Oct 13, 20265950
Oct 09, 20265950
Oct 08, 20265950
Oct 07, 20265950
Oct 06, 20265950
Oct 05, 20265950
Oct 02, 2026595No prior observation