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Contract OI history

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Dec 18, 2026 EXPIRATION

ALHC $7.50 Put

ALHC261218P00007500

Latest saved OI2,225Oct 23, 2026
Last change+4vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ALHC $7.50 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 2,2251,1120 2026-10-09: 2,070 OI2026-10-13: 2,220 OI2026-10-14: 2,220 OI2026-10-15: 2,220 OI2026-10-16: 2,220 OI2026-10-21: 2,221 OI2026-10-23: 2,225 OI Oct 09, 2026Oct 23, 2026

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

ALHC contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing2,225+4
Oct 21, 20262,221+1
Oct 16, 20262,2200
Oct 15, 20262,2200
Oct 14, 20262,2200
Oct 13, 20262,220+150
Oct 09, 20262,070No prior observation