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Contract OI history

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Jan 19, 2029 EXPIRATION

ACHR $2.00 Put

ACHR290119P00002000

Latest saved OI199Oct 23, 2026
Last change+2vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ACHR $2.00 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. 199990 2026-10-02: 116 OI2026-10-05: 127 OI2026-10-06: 160 OI2026-10-07: 161 OI2026-10-08: 161 OI2026-10-09: 162 OI2026-10-13: 174 OI2026-10-14: 174 OI2026-10-15: 186 OI2026-10-16: 186 OI2026-10-21: 197 OI2026-10-23: 199 OI Oct 02, 2026Oct 23, 2026

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

ACHR contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing199+2
Oct 21, 2026197+11
Oct 16, 20261860
Oct 15, 2026186+12
Oct 14, 20261740
Oct 13, 2026174+12
Oct 09, 2026162+1
Oct 08, 20261610
Oct 07, 2026161+1
Oct 06, 2026160+33
Oct 05, 2026127+11
Oct 02, 2026116No prior observation