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Contract OI history

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Dec 18, 2026 EXPIRATION

MNTN $12.50 Call

MNTN261218C00012500

Latest saved OI533Oct 23, 2026
Last change+2vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MNTN $12.50 call open interest history 10 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 5332660 2026-10-02: 531 OI2026-10-06: 530 OI2026-10-07: 530 OI2026-10-08: 531 OI2026-10-09: 531 OI2026-10-13: 521 OI2026-10-14: 531 OI2026-10-16: 531 OI2026-10-20: 531 OI2026-10-23: 533 OI Oct 02, 2026Oct 23, 2026

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

MNTN contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026533+2
Oct 20, 2026Viewing5310
Oct 16, 20265310
Oct 14, 2026531+10
Oct 13, 2026521-10
Oct 09, 20265310
Oct 08, 2026531+1
Oct 07, 20265300
Oct 06, 2026530-1
Oct 02, 2026531No prior observation