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Contract OI history

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Nov 20, 2026 EXPIRATION

ATO $170.00 Call

ATO261120C00170000

Latest saved OI253Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ATO $170.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 2531260 2026-10-02: 174 OI2026-10-05: 174 OI2026-10-06: 174 OI2026-10-07: 174 OI2026-10-08: 174 OI2026-10-09: 174 OI2026-10-13: 174 OI2026-10-14: 178 OI2026-10-15: 181 OI2026-10-16: 182 OI2026-10-21: 253 OI2026-10-23: 253 OI Oct 02, 2026Oct 23, 2026

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

ATO contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing2530
Oct 21, 2026253+71
Oct 16, 2026182+1
Oct 15, 2026181+3
Oct 14, 2026178+4
Oct 13, 20261740
Oct 09, 20261740
Oct 08, 20261740
Oct 07, 20261740
Oct 06, 20261740
Oct 05, 20261740
Oct 02, 2026174No prior observation