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Contract OI history

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Nov 06, 2026 EXPIRATION

ACHR $4.50 Call

ACHR261106C00004500

Latest saved OI2,061Oct 23, 2026
Last change-87vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ACHR $4.50 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 2,1481,0740 2026-10-02: 3 OI2026-10-05: 37 OI2026-10-06: 48 OI2026-10-07: 50 OI2026-10-08: 50 OI2026-10-09: 1,483 OI2026-10-13: 1,482 OI2026-10-14: 1,482 OI2026-10-15: 1,722 OI2026-10-16: 1,801 OI2026-10-21: 2,148 OI2026-10-23: 2,061 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, 2026Viewing2,061-87
Oct 21, 20262,148+347
Oct 16, 20261,801+79
Oct 15, 20261,722+240
Oct 14, 20261,4820
Oct 13, 20261,482-1
Oct 09, 20261,483+1,433
Oct 08, 2026500
Oct 07, 202650+2
Oct 06, 202648+11
Oct 05, 202637+34
Oct 02, 20263No prior observation