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Contract OI history

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Mar 19, 2027 EXPIRATION

TSM $440.00 Put

TSM270319P00440000

Latest saved OI1,844Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $440.00 put open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 1,9549770 2026-10-02: 1,498 OI2026-10-05: 1,492 OI2026-10-06: 1,463 OI2026-10-07: 1,562 OI2026-10-08: 1,562 OI2026-10-09: 1,599 OI2026-10-14: 1,856 OI2026-10-15: 1,954 OI2026-10-16: 1,954 OI2026-10-21: 1,844 OI2026-10-23: 1,844 OI Oct 02, 2026Oct 23, 2026

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

TSM contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,8440
Oct 21, 20261,844-110
Oct 16, 20261,9540
Oct 15, 20261,954+98
Oct 14, 20261,856+257
Oct 09, 20261,599+37
Oct 08, 20261,5620
Oct 07, 20261,562+99
Oct 06, 20261,463-29
Oct 05, 20261,492-6
Oct 02, 20261,498No prior observation