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Contract OI history

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Oct 23, 2026 EXPIRATION

ASST $19.50 Put

ASST261023P00019500

Latest saved OI14Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ASST $19.50 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. 1470 2026-10-09: 9 OI2026-10-13: 11 OI2026-10-14: 11 OI2026-10-15: 11 OI2026-10-16: 11 OI2026-10-21: 14 OI2026-10-23: 14 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, 2026Viewing140
Oct 21, 202614+3
Oct 16, 2026110
Oct 15, 2026110
Oct 14, 2026110
Oct 13, 202611+2
Oct 09, 20269No prior observation