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Contract OI history

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Dec 18, 2026 EXPIRATION

ASST $18.00 Put

ASST261218P00018000

Latest saved OI144Oct 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 $18.00 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. 144720 2026-10-09: 134 OI2026-10-13: 127 OI2026-10-14: 127 OI2026-10-15: 133 OI2026-10-16: 133 OI2026-10-21: 142 OI2026-10-23: 144 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, 2026Viewing144+2
Oct 21, 2026142+9
Oct 16, 20261330
Oct 15, 2026133+6
Oct 14, 20261270
Oct 13, 2026127-7
Oct 09, 2026134No prior observation