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Contract OI history

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Nov 20, 2026 EXPIRATION

ALM $15.00 Put

ALM261120P00015000

Latest saved OI534Oct 23, 2026
Last change+5vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ALM $15.00 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. 5342670 2026-10-09: 492 OI2026-10-13: 493 OI2026-10-14: 515 OI2026-10-15: 522 OI2026-10-16: 532 OI2026-10-21: 529 OI2026-10-23: 534 OI Oct 09, 2026Oct 23, 2026

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

ALM contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing534+5
Oct 21, 2026529-3
Oct 16, 2026532+10
Oct 15, 2026522+7
Oct 14, 2026515+22
Oct 13, 2026493+1
Oct 09, 2026492No prior observation