OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

ELF $50.00 Call

ELF280121C00050000

Latest saved OI389Oct 23, 2026
Last change-16vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ELF $50.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 4152070 2026-10-02: 415 OI2026-10-05: 415 OI2026-10-06: 415 OI2026-10-07: 413 OI2026-10-08: 413 OI2026-10-09: 411 OI2026-10-13: 410 OI2026-10-14: 410 OI2026-10-15: 408 OI2026-10-16: 403 OI2026-10-21: 405 OI2026-10-23: 389 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, 2026Viewing389-16
Oct 21, 2026405+2
Oct 16, 2026403-5
Oct 15, 2026408-2
Oct 14, 20264100
Oct 13, 2026410-1
Oct 09, 2026411-2
Oct 08, 20264130
Oct 07, 2026413-2
Oct 06, 20264150
Oct 05, 20264150
Oct 02, 2026415No prior observation