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Contract OI history

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Nov 20, 2026 EXPIRATION

ALSN $115.00 Put

ALSN261120P00115000

Latest saved OI153Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ALSN $115.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 159790 2026-10-02: 9 OI2026-10-05: 159 OI2026-10-06: 154 OI2026-10-07: 154 OI2026-10-08: 154 OI2026-10-09: 154 OI2026-10-13: 154 OI2026-10-14: 154 OI2026-10-15: 154 OI2026-10-16: 153 OI2026-10-21: 153 OI2026-10-23: 153 OI Oct 02, 2026Oct 23, 2026

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

ALSN contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1530
Oct 21, 20261530
Oct 16, 2026153-1
Oct 15, 20261540
Oct 14, 20261540
Oct 13, 20261540
Oct 09, 20261540
Oct 08, 20261540
Oct 07, 20261540
Oct 06, 2026154-5
Oct 05, 2026159+150
Oct 02, 20269No prior observation