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Contract OI history

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Dec 18, 2026 EXPIRATION

ASST $11.00 Put

ASST261218P00011000

Latest saved OI639Oct 23, 2026
Last change+2vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ASST $11.00 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. 6403200 2026-10-09: 590 OI2026-10-13: 640 OI2026-10-14: 640 OI2026-10-15: 639 OI2026-10-16: 639 OI2026-10-21: 637 OI2026-10-23: 639 OI Oct 09, 2026Oct 23, 2026

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

ASST contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing639+2
Oct 21, 2026637-2
Oct 16, 20266390
Oct 15, 2026639-1
Oct 14, 20266400
Oct 13, 2026640+50
Oct 09, 2026590No prior observation