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Contract OI history

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Jan 15, 2027 EXPIRATION

TSM $390.00 Put

TSM270115P00390000

Latest saved OI2,789Oct 23, 2026
Last change+15vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $390.00 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. 2,7891,3940 2026-10-02: 2,486 OI2026-10-05: 2,491 OI2026-10-06: 2,475 OI2026-10-07: 2,478 OI2026-10-08: 2,478 OI2026-10-09: 2,543 OI2026-10-14: 2,601 OI2026-10-15: 2,608 OI2026-10-16: 2,759 OI2026-10-21: 2,774 OI2026-10-23: 2,789 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, 2026Viewing2,789+15
Oct 21, 20262,774+15
Oct 16, 20262,759+151
Oct 15, 20262,608+7
Oct 14, 20262,601+58
Oct 09, 20262,543+65
Oct 08, 20262,4780
Oct 07, 20262,478+3
Oct 06, 20262,475-16
Oct 05, 20262,491+5
Oct 02, 20262,486No prior observation