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Contract OI history

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Jun 17, 2027 EXPIRATION

ALC $70.00 Put

ALC270617P00070000

Latest saved OI297Oct 20, 2026
Last change+22vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ALC $70.00 put open interest history 10 saved observations from 2026-10-02 to 2026-10-20. Exact values and changes are listed in the table below. 2971480 2026-10-02: 155 OI2026-10-05: 155 OI2026-10-06: 162 OI2026-10-07: 162 OI2026-10-08: 162 OI2026-10-09: 164 OI2026-10-13: 264 OI2026-10-15: 275 OI2026-10-16: 275 OI2026-10-20: 297 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, 2026Viewing297+22
Oct 16, 20262750
Oct 15, 2026275+11
Oct 13, 2026264+100
Oct 09, 2026164+2
Oct 08, 20261620
Oct 07, 20261620
Oct 06, 2026162+7
Oct 05, 20261550
Oct 02, 2026155No prior observation