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Contract OI history

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Dec 18, 2026 EXPIRATION

MNTN $10.00 Put

MNTN261218P00010000

Latest saved OI51Oct 23, 2026
Last change+14vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MNTN $10.00 put open interest history 10 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 51250 2026-10-02: 36 OI2026-10-06: 37 OI2026-10-07: 37 OI2026-10-08: 37 OI2026-10-09: 37 OI2026-10-13: 37 OI2026-10-14: 37 OI2026-10-16: 37 OI2026-10-20: 37 OI2026-10-23: 51 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, 202651+14
Oct 20, 2026Viewing370
Oct 16, 2026370
Oct 14, 2026370
Oct 13, 2026370
Oct 09, 2026370
Oct 08, 2026370
Oct 07, 2026370
Oct 06, 202637+1
Oct 02, 202636No prior observation