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Contract OI history

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Jan 15, 2027 EXPIRATION

ASX $27.50 Put

ASX270115P00027500

Latest saved OI1,529Oct 23, 2026
Last change+1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ASX $27.50 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. 1,5297640 2026-10-02: 1,478 OI2026-10-05: 1,478 OI2026-10-06: 1,478 OI2026-10-07: 1,478 OI2026-10-08: 1,478 OI2026-10-09: 1,474 OI2026-10-13: 1,474 OI2026-10-14: 1,474 OI2026-10-15: 1,474 OI2026-10-16: 1,474 OI2026-10-21: 1,528 OI2026-10-23: 1,529 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, 2026Viewing1,529+1
Oct 21, 20261,528+54
Oct 16, 20261,4740
Oct 15, 20261,4740
Oct 14, 20261,4740
Oct 13, 20261,4740
Oct 09, 20261,474-4
Oct 08, 20261,4780
Oct 07, 20261,4780
Oct 06, 20261,4780
Oct 05, 20261,4780
Oct 02, 20261,478No prior observation