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Contract OI history

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Nov 20, 2026 EXPIRATION

OMF $55.00 Put

OMF261120P00055000

Latest saved OI513Oct 23, 2026
Last change+3vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
OMF $55.00 put open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 5132560 2026-10-02: 416 OI2026-10-05: 417 OI2026-10-06: 427 OI2026-10-07: 428 OI2026-10-08: 441 OI2026-10-09: 441 OI2026-10-13: 483 OI2026-10-14: 484 OI2026-10-16: 487 OI2026-10-20: 510 OI2026-10-23: 513 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

OMF contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026513+3
Oct 20, 2026Viewing510+23
Oct 16, 2026487+3
Oct 14, 2026484+1
Oct 13, 2026483+42
Oct 09, 20264410
Oct 08, 2026441+13
Oct 07, 2026428+1
Oct 06, 2026427+10
Oct 05, 2026417+1
Oct 02, 2026416No prior observation