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Contract OI history

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Dec 18, 2026 EXPIRATION

ALTG $7.50 Call

ALTG261218C00007500

Latest saved OI1,920Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ALTG $7.50 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 1,9549770 2026-10-02: 1,954 OI2026-10-05: 1,954 OI2026-10-06: 1,954 OI2026-10-07: 1,954 OI2026-10-08: 1,954 OI2026-10-09: 1,923 OI2026-10-13: 1,923 OI2026-10-14: 1,923 OI2026-10-15: 1,923 OI2026-10-16: 1,923 OI2026-10-21: 1,920 OI2026-10-23: 1,920 OI Oct 02, 2026Oct 23, 2026

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

ALTG contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,9200
Oct 21, 20261,920-3
Oct 16, 20261,9230
Oct 15, 20261,9230
Oct 14, 20261,9230
Oct 13, 20261,9230
Oct 09, 20261,923-31
Oct 08, 20261,9540
Oct 07, 20261,9540
Oct 06, 20261,9540
Oct 05, 20261,9540
Oct 02, 20261,954No prior observation