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Contract OI history

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Dec 18, 2026 EXPIRATION

ASX $42.50 Put

ASX261218P00042500

Latest saved OI464Oct 23, 2026
Last change+202vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ASX $42.50 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. 4642320 2026-10-02: 137 OI2026-10-05: 126 OI2026-10-06: 134 OI2026-10-07: 156 OI2026-10-08: 156 OI2026-10-09: 156 OI2026-10-13: 156 OI2026-10-14: 156 OI2026-10-15: 156 OI2026-10-16: 160 OI2026-10-21: 262 OI2026-10-23: 464 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, 2026Viewing464+202
Oct 21, 2026262+102
Oct 16, 2026160+4
Oct 15, 20261560
Oct 14, 20261560
Oct 13, 20261560
Oct 09, 20261560
Oct 08, 20261560
Oct 07, 2026156+22
Oct 06, 2026134+8
Oct 05, 2026126-11
Oct 02, 2026137No prior observation