Contract OI history

Back to ASX

Dec 18, 2026 EXPIRATION

ASX $37.50 Put

ASX261218P00037500

Latest saved OI2,325Oct 23, 2026
Last change+4vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ASX $37.50 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. 2,4761,2380 2026-10-02: 2,098 OI2026-10-05: 2,096 OI2026-10-06: 2,095 OI2026-10-07: 2,092 OI2026-10-08: 2,092 OI2026-10-09: 2,103 OI2026-10-13: 2,375 OI2026-10-14: 2,376 OI2026-10-15: 2,476 OI2026-10-16: 2,394 OI2026-10-21: 2,321 OI2026-10-23: 2,325 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, 2026Viewing2,325+4
Oct 21, 20262,321-73
Oct 16, 20262,394-82
Oct 15, 20262,476+100
Oct 14, 20262,376+1
Oct 13, 20262,375+272
Oct 09, 20262,103+11
Oct 08, 20262,0920
Oct 07, 20262,092-3
Oct 06, 20262,095-1
Oct 05, 20262,096-2
Oct 02, 20262,098No prior observation