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Contract OI history

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Jan 15, 2027 EXPIRATION

ACHR $11.00 Put

ACHR270115P00011000

Latest saved OI145Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ACHR $11.00 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. 2121060 2026-10-02: 212 OI2026-10-05: 210 OI2026-10-06: 209 OI2026-10-07: 209 OI2026-10-08: 209 OI2026-10-09: 209 OI2026-10-13: 209 OI2026-10-14: 209 OI2026-10-15: 204 OI2026-10-16: 145 OI2026-10-21: 145 OI2026-10-23: 145 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, 2026Viewing1450
Oct 21, 20261450
Oct 16, 2026145-59
Oct 15, 2026204-5
Oct 14, 20262090
Oct 13, 20262090
Oct 09, 20262090
Oct 08, 20262090
Oct 07, 20262090
Oct 06, 2026209-1
Oct 05, 2026210-2
Oct 02, 2026212No prior observation