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Contract OI history

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Dec 18, 2026 EXPIRATION

ASST $19.00 Put

ASST261218P00019000

Latest saved OI212Oct 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 $19.00 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. 2571280 2026-10-09: 195 OI2026-10-13: 195 OI2026-10-14: 195 OI2026-10-15: 257 OI2026-10-16: 257 OI2026-10-21: 212 OI2026-10-23: 212 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, 2026Viewing2120
Oct 21, 2026212-45
Oct 16, 20262570
Oct 15, 2026257+62
Oct 14, 20261950
Oct 13, 20261950
Oct 09, 2026195No prior observation