OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

ELF $50.00 Put

ELF270115P00050000

Latest saved OI1,416Oct 23, 2026
Last change-4vs 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. 1,4617300 2026-10-02: 1,461 OI2026-10-05: 1,461 OI2026-10-06: 1,459 OI2026-10-07: 1,459 OI2026-10-08: 1,459 OI2026-10-09: 1,459 OI2026-10-13: 1,456 OI2026-10-14: 1,456 OI2026-10-15: 1,454 OI2026-10-16: 1,450 OI2026-10-21: 1,420 OI2026-10-23: 1,416 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, 2026Viewing1,416-4
Oct 21, 20261,420-30
Oct 16, 20261,450-4
Oct 15, 20261,454-2
Oct 14, 20261,4560
Oct 13, 20261,456-3
Oct 09, 20261,4590
Oct 08, 20261,4590
Oct 07, 20261,4590
Oct 06, 20261,459-2
Oct 05, 20261,4610
Oct 02, 20261,461No prior observation