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Contract OI history

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Mar 19, 2027 EXPIRATION

TSM $320.00 Put

TSM270319P00320000

Latest saved OI5,311Oct 23, 2026
Last change+25vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $320.00 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. 5,7922,8960 2026-10-02: 5,792 OI2026-10-05: 5,790 OI2026-10-06: 5,784 OI2026-10-07: 5,786 OI2026-10-08: 5,786 OI2026-10-09: 5,283 OI2026-10-14: 5,278 OI2026-10-15: 5,278 OI2026-10-16: 5,273 OI2026-10-21: 5,286 OI2026-10-23: 5,311 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, 2026Viewing5,311+25
Oct 21, 20265,286+13
Oct 16, 20265,273-5
Oct 15, 20265,2780
Oct 14, 20265,278-5
Oct 09, 20265,283-503
Oct 08, 20265,7860
Oct 07, 20265,786+2
Oct 06, 20265,784-6
Oct 05, 20265,790-2
Oct 02, 20265,792No prior observation