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Contract OI history

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Nov 20, 2026 EXPIRATION

TSM $300.00 Put

TSM261120P00300000

Latest saved OI6,658Oct 23, 2026
Last change+3vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $300.00 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. 6,6583,3290 2026-10-02: 5,941 OI2026-10-05: 5,935 OI2026-10-06: 5,935 OI2026-10-07: 5,936 OI2026-10-08: 5,936 OI2026-10-09: 5,936 OI2026-10-14: 5,936 OI2026-10-15: 5,938 OI2026-10-16: 6,619 OI2026-10-21: 6,655 OI2026-10-23: 6,658 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, 2026Viewing6,658+3
Oct 21, 20266,655+36
Oct 16, 20266,619+681
Oct 15, 20265,938+2
Oct 14, 20265,9360
Oct 09, 20265,9360
Oct 08, 20265,9360
Oct 07, 20265,936+1
Oct 06, 20265,9350
Oct 05, 20265,935-6
Oct 02, 20265,941No prior observation