OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

ELF $55.00 Put

ELF261120P00055000

Latest saved OI458Oct 23, 2026
Last change-2vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ELF $55.00 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. 4602300 2026-10-02: 452 OI2026-10-05: 452 OI2026-10-06: 454 OI2026-10-07: 454 OI2026-10-08: 454 OI2026-10-09: 456 OI2026-10-13: 460 OI2026-10-14: 460 OI2026-10-15: 460 OI2026-10-16: 454 OI2026-10-21: 460 OI2026-10-23: 458 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, 2026Viewing458-2
Oct 21, 2026460+6
Oct 16, 2026454-6
Oct 15, 20264600
Oct 14, 20264600
Oct 13, 2026460+4
Oct 09, 2026456+2
Oct 08, 20264540
Oct 07, 20264540
Oct 06, 2026454+2
Oct 05, 20264520
Oct 02, 2026452No prior observation