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Contract OI history

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Dec 18, 2026 EXPIRATION

ATI $195.00 Put

ATI261218P00195000

Latest saved OI481Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 05, 2026 onwards
Daily open interest Hover a point for its date and OI
ATI $195.00 put open interest history 11 saved observations from 2026-10-05 to 2026-10-23. Exact values and changes are listed in the table below. 4812400 2026-10-05: 0 OI2026-10-06: 0 OI2026-10-07: 0 OI2026-10-08: 2 OI2026-10-09: 2 OI2026-10-13: 5 OI2026-10-14: 164 OI2026-10-15: 164 OI2026-10-16: 481 OI2026-10-21: 481 OI2026-10-23: 481 OI Oct 05, 2026Oct 23, 2026

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

ATI contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing4810
Oct 21, 20264810
Oct 16, 2026481+317
Oct 15, 20261640
Oct 14, 2026164+159
Oct 13, 20265+3
Oct 09, 202620
Oct 08, 20262+2
Oct 07, 202600
Oct 06, 202600
Oct 05, 20260No prior observation