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Contract OI history

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Jan 15, 2027 EXPIRATION

ALC $55.00 Call

ALC270115C00055000

Latest saved OI131Oct 20, 2026
Last change0vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ALC $55.00 call open interest history 10 saved observations from 2026-10-02 to 2026-10-20. Exact values and changes are listed in the table below. 131650 2026-10-02: 33 OI2026-10-05: 33 OI2026-10-06: 33 OI2026-10-07: 33 OI2026-10-08: 33 OI2026-10-09: 33 OI2026-10-13: 131 OI2026-10-15: 131 OI2026-10-16: 131 OI2026-10-20: 131 OI Oct 02, 2026Oct 20, 2026

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

ALC contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 20, 2026Viewing1310
Oct 16, 20261310
Oct 15, 20261310
Oct 13, 2026131+98
Oct 09, 2026330
Oct 08, 2026330
Oct 07, 2026330
Oct 06, 2026330
Oct 05, 2026330
Oct 02, 202633No prior observation