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Contract OI history

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Nov 20, 2026 EXPIRATION

ELF $40.00 Put

ELF261120P00040000

Latest saved OI519Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ELF $40.00 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. 5232610 2026-10-02: 523 OI2026-10-05: 523 OI2026-10-06: 523 OI2026-10-07: 523 OI2026-10-08: 523 OI2026-10-09: 521 OI2026-10-13: 521 OI2026-10-14: 521 OI2026-10-15: 519 OI2026-10-16: 519 OI2026-10-21: 519 OI2026-10-23: 519 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, 2026Viewing5190
Oct 21, 20265190
Oct 16, 20265190
Oct 15, 2026519-2
Oct 14, 20265210
Oct 13, 20265210
Oct 09, 2026521-2
Oct 08, 20265230
Oct 07, 20265230
Oct 06, 20265230
Oct 05, 20265230
Oct 02, 2026523No prior observation