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Contract OI history

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Nov 20, 2026 EXPIRATION

OMF $57.50 Call

OMF261120C00057500

Latest saved OI217Oct 23, 2026
Last change+8vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
OMF $57.50 call open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 2171080 2026-10-02: 121 OI2026-10-05: 122 OI2026-10-06: 138 OI2026-10-07: 140 OI2026-10-08: 146 OI2026-10-09: 160 OI2026-10-13: 167 OI2026-10-14: 167 OI2026-10-16: 186 OI2026-10-20: 209 OI2026-10-23: 217 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, 2026217+8
Oct 20, 2026Viewing209+23
Oct 16, 2026186+19
Oct 14, 20261670
Oct 13, 2026167+7
Oct 09, 2026160+14
Oct 08, 2026146+6
Oct 07, 2026140+2
Oct 06, 2026138+16
Oct 05, 2026122+1
Oct 02, 2026121No prior observation