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Contract OI history

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Nov 20, 2026 EXPIRATION

ECO $80.00 Put

ECO261120P00080000

Latest saved OI134Oct 23, 2026
Last change+1vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ECO $80.00 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. 134670 2026-10-02: 27 OI2026-10-05: 27 OI2026-10-06: 27 OI2026-10-07: 28 OI2026-10-08: 28 OI2026-10-09: 42 OI2026-10-13: 69 OI2026-10-14: 69 OI2026-10-16: 109 OI2026-10-21: 133 OI2026-10-23: 134 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, 2026Viewing134+1
Oct 21, 2026133+24
Oct 16, 2026109+40
Oct 14, 2026690
Oct 13, 202669+27
Oct 09, 202642+14
Oct 08, 2026280
Oct 07, 202628+1
Oct 06, 2026270
Oct 05, 2026270
Oct 02, 202627No prior observation