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Contract OI history

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Nov 20, 2026 EXPIRATION

ECO $30.00 Put

ECO261120P00030000

Latest saved OI430Oct 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 $30.00 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. 4302150 2026-10-02: 2 OI2026-10-05: 2 OI2026-10-06: 2 OI2026-10-07: 2 OI2026-10-08: 14 OI2026-10-09: 225 OI2026-10-13: 231 OI2026-10-14: 430 OI2026-10-16: 430 OI2026-10-21: 430 OI2026-10-23: 430 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, 2026Viewing4300
Oct 21, 20264300
Oct 16, 20264300
Oct 14, 2026430+199
Oct 13, 2026231+6
Oct 09, 2026225+211
Oct 08, 202614+12
Oct 07, 202620
Oct 06, 202620
Oct 05, 202620
Oct 02, 20262No prior observation