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Contract OI history

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Nov 20, 2026 EXPIRATION

TUSK $2.50 Call

TUSK261120C00002500

Latest saved OI855Oct 23, 2026
Last change-20vs previous saved observation
Saved market days6Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
TUSK $2.50 call open interest history 6 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 8754370 2026-10-08: 812 OI2026-10-13: 817 OI2026-10-14: 814 OI2026-10-16: 814 OI2026-10-20: 875 OI2026-10-23: 855 OI Oct 08, 2026Oct 23, 2026

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

TUSK contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing855-20
Oct 20, 2026875+61
Oct 16, 20268140
Oct 14, 2026814-3
Oct 13, 2026817+5
Oct 08, 2026812No prior observation