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Contract OI history

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Dec 18, 2026 EXPIRATION

ELF $50.00 Put

ELF261218P00050000

Latest saved OI769Oct 23, 2026
Last change-1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ELF $50.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 8734360 2026-10-02: 871 OI2026-10-05: 871 OI2026-10-06: 872 OI2026-10-07: 873 OI2026-10-08: 873 OI2026-10-09: 873 OI2026-10-13: 873 OI2026-10-14: 873 OI2026-10-15: 873 OI2026-10-16: 776 OI2026-10-21: 770 OI2026-10-23: 769 OI Oct 02, 2026Oct 23, 2026

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

ELF contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing769-1
Oct 21, 2026770-6
Oct 16, 2026776-97
Oct 15, 20268730
Oct 14, 20268730
Oct 13, 20268730
Oct 09, 20268730
Oct 08, 20268730
Oct 07, 2026873+1
Oct 06, 2026872+1
Oct 05, 20268710
Oct 02, 2026871No prior observation