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Contract OI history

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Oct 23, 2026 EXPIRATION

ASST $21.00 Put

ASST261023P00021000

Latest saved OI193Oct 23, 2026
Last change-3vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ASST $21.00 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. 196980 2026-10-09: 28 OI2026-10-13: 36 OI2026-10-14: 36 OI2026-10-15: 41 OI2026-10-16: 110 OI2026-10-21: 196 OI2026-10-23: 193 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, 2026Viewing193-3
Oct 21, 2026196+86
Oct 16, 2026110+69
Oct 15, 202641+5
Oct 14, 2026360
Oct 13, 202636+8
Oct 09, 202628No prior observation