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Contract OI history

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Nov 20, 2026 EXPIRATION

ALMU $17.50 Put

ALMU261120P00017500

Latest saved OI18Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
ALMU $17.50 put open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 2191090 2026-10-08: 203 OI2026-10-09: 219 OI2026-10-13: 219 OI2026-10-15: 219 OI2026-10-16: 219 OI2026-10-20: 18 OI2026-10-23: 18 OI Oct 08, 2026Oct 23, 2026

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

ALMU contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing180
Oct 20, 202618-201
Oct 16, 20262190
Oct 15, 20262190
Oct 13, 20262190
Oct 09, 2026219+16
Oct 08, 2026203No prior observation