OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

ASST $20.00 Put

ASST261120P00020000

Latest saved OI347Oct 23, 2026
Last change-68vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ASST $20.00 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. 4152070 2026-10-09: 186 OI2026-10-13: 186 OI2026-10-14: 186 OI2026-10-15: 222 OI2026-10-16: 384 OI2026-10-21: 415 OI2026-10-23: 347 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, 2026Viewing347-68
Oct 21, 2026415+31
Oct 16, 2026384+162
Oct 15, 2026222+36
Oct 14, 20261860
Oct 13, 20261860
Oct 09, 2026186No prior observation