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Contract OI history

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Jan 21, 2028 EXPIRATION

ELF $55.00 Put

ELF280121P00055000

Latest saved OI278Oct 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 $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. 2871430 2026-10-02: 275 OI2026-10-05: 275 OI2026-10-06: 275 OI2026-10-07: 287 OI2026-10-08: 287 OI2026-10-09: 278 OI2026-10-13: 278 OI2026-10-14: 278 OI2026-10-15: 278 OI2026-10-16: 278 OI2026-10-21: 278 OI2026-10-23: 278 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, 2026Viewing2780
Oct 21, 20262780
Oct 16, 20262780
Oct 15, 20262780
Oct 14, 20262780
Oct 13, 20262780
Oct 09, 2026278-9
Oct 08, 20262870
Oct 07, 2026287+12
Oct 06, 20262750
Oct 05, 20262750
Oct 02, 2026275No prior observation