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Contract OI history

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Oct 30, 2026 EXPIRATION

TSM $300.00 Put

TSM261030P00300000

Latest saved OI2,504Oct 23, 2026
Last change+64vs 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. 2,5041,2520 2026-10-02: 42 OI2026-10-05: 195 OI2026-10-06: 2,435 OI2026-10-07: 2,435 OI2026-10-08: 2,435 OI2026-10-09: 2,438 OI2026-10-14: 2,439 OI2026-10-15: 2,441 OI2026-10-16: 2,441 OI2026-10-21: 2,440 OI2026-10-23: 2,504 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, 2026Viewing2,504+64
Oct 21, 20262,440-1
Oct 16, 20262,4410
Oct 15, 20262,441+2
Oct 14, 20262,439+1
Oct 09, 20262,438+3
Oct 08, 20262,4350
Oct 07, 20262,4350
Oct 06, 20262,435+2,240
Oct 05, 2026195+153
Oct 02, 202642No prior observation