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Contract OI history

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Sep 17, 2027 EXPIRATION

TSM $300.00 Put

TSM270917P00300000

Latest saved OI868Oct 23, 2026
Last change+9vs 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. 8684340 2026-10-02: 835 OI2026-10-05: 835 OI2026-10-06: 832 OI2026-10-07: 832 OI2026-10-08: 832 OI2026-10-09: 834 OI2026-10-14: 835 OI2026-10-15: 836 OI2026-10-16: 845 OI2026-10-21: 859 OI2026-10-23: 868 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, 2026Viewing868+9
Oct 21, 2026859+14
Oct 16, 2026845+9
Oct 15, 2026836+1
Oct 14, 2026835+1
Oct 09, 2026834+2
Oct 08, 20268320
Oct 07, 20268320
Oct 06, 2026832-3
Oct 05, 20268350
Oct 02, 2026835No prior observation