OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

ASX $40.00 Put

ASX280121P00040000

Latest saved OI1,401Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ASX $40.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 1,4017000 2026-10-02: 121 OI2026-10-05: 156 OI2026-10-06: 156 OI2026-10-07: 1,351 OI2026-10-08: 1,326 OI2026-10-09: 1,390 OI2026-10-13: 1,340 OI2026-10-14: 1,340 OI2026-10-15: 1,401 OI2026-10-16: 1,401 OI2026-10-21: 1,401 OI2026-10-23: 1,401 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

ASX contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,4010
Oct 21, 20261,4010
Oct 16, 20261,4010
Oct 15, 20261,401+61
Oct 14, 20261,3400
Oct 13, 20261,340-50
Oct 09, 20261,390+64
Oct 08, 20261,326-25
Oct 07, 20261,351+1,195
Oct 06, 20261560
Oct 05, 2026156+35
Oct 02, 2026121No prior observation