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Contract OI history

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Nov 13, 2026 EXPIRATION

ACHR $6.00 Put

ACHR261113P00006000

Latest saved OI221Oct 23, 2026
Last change-1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ACHR $6.00 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. 3011500 2026-10-02: 20 OI2026-10-05: 37 OI2026-10-06: 148 OI2026-10-07: 246 OI2026-10-08: 246 OI2026-10-09: 249 OI2026-10-13: 301 OI2026-10-14: 301 OI2026-10-15: 249 OI2026-10-16: 249 OI2026-10-21: 222 OI2026-10-23: 221 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, 2026Viewing221-1
Oct 21, 2026222-27
Oct 16, 20262490
Oct 15, 2026249-52
Oct 14, 20263010
Oct 13, 2026301+52
Oct 09, 2026249+3
Oct 08, 20262460
Oct 07, 2026246+98
Oct 06, 2026148+111
Oct 05, 202637+17
Oct 02, 202620No prior observation