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Contract OI history

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Nov 20, 2026 EXPIRATION

MNTN $12.50 Call

MNTN261120C00012500

Latest saved OI173Oct 23, 2026
Last change+35vs 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. 173860 2026-10-02: 19 OI2026-10-06: 19 OI2026-10-07: 19 OI2026-10-08: 21 OI2026-10-09: 35 OI2026-10-13: 36 OI2026-10-14: 36 OI2026-10-16: 36 OI2026-10-20: 138 OI2026-10-23: 173 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, 2026173+35
Oct 20, 2026Viewing138+102
Oct 16, 2026360
Oct 14, 2026360
Oct 13, 202636+1
Oct 09, 202635+14
Oct 08, 202621+2
Oct 07, 2026190
Oct 06, 2026190
Oct 02, 202619No prior observation