OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

ELF $100.00 Put

ELF280121P00100000

Latest saved OI113Oct 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 $100.00 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. 114570 2026-10-02: 109 OI2026-10-05: 112 OI2026-10-06: 111 OI2026-10-07: 111 OI2026-10-08: 111 OI2026-10-09: 112 OI2026-10-13: 112 OI2026-10-14: 112 OI2026-10-15: 112 OI2026-10-16: 111 OI2026-10-21: 114 OI2026-10-23: 113 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, 2026Viewing113-1
Oct 21, 2026114+3
Oct 16, 2026111-1
Oct 15, 20261120
Oct 14, 20261120
Oct 13, 20261120
Oct 09, 2026112+1
Oct 08, 20261110
Oct 07, 20261110
Oct 06, 2026111-1
Oct 05, 2026112+3
Oct 02, 2026109No prior observation