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Contract OI history

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Dec 18, 2026 EXPIRATION

AEHR $40.00 Put

AEHR261218P00040000

Latest saved OI725Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
AEHR $40.00 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. 7253620 2026-10-09: 206 OI2026-10-13: 207 OI2026-10-14: 207 OI2026-10-15: 208 OI2026-10-16: 273 OI2026-10-21: 725 OI2026-10-23: 725 OI Oct 09, 2026Oct 23, 2026

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

AEHR contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing7250
Oct 21, 2026725+452
Oct 16, 2026273+65
Oct 15, 2026208+1
Oct 14, 20262070
Oct 13, 2026207+1
Oct 09, 2026206No prior observation