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Contract OI history

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Nov 20, 2026 EXPIRATION

EDU $55.00 Put

EDU261120P00055000

Latest saved OI7Oct 23, 2026
Last change+4vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
EDU $55.00 put open interest history 10 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 730 2026-10-02: 4 OI2026-10-05: 4 OI2026-10-06: 4 OI2026-10-07: 4 OI2026-10-08: 4 OI2026-10-13: 4 OI2026-10-14: 3 OI2026-10-16: 3 OI2026-10-20: 3 OI2026-10-23: 7 OI Oct 02, 2026Oct 23, 2026

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

EDU contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing7+4
Oct 20, 202630
Oct 16, 202630
Oct 14, 20263-1
Oct 13, 202640
Oct 08, 202640
Oct 07, 202640
Oct 06, 202640
Oct 05, 202640
Oct 02, 20264No prior observation