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Contract OI history

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Dec 15, 2028 EXPIRATION

TSM $300.00 Put

TSM281215P00300000

Latest saved OI673Oct 23, 2026
Last change+4vs 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. 7073530 2026-10-02: 706 OI2026-10-05: 706 OI2026-10-06: 707 OI2026-10-07: 707 OI2026-10-08: 707 OI2026-10-09: 664 OI2026-10-14: 664 OI2026-10-15: 666 OI2026-10-16: 665 OI2026-10-21: 669 OI2026-10-23: 673 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, 2026Viewing673+4
Oct 21, 2026669+4
Oct 16, 2026665-1
Oct 15, 2026666+2
Oct 14, 20266640
Oct 09, 2026664-43
Oct 08, 20267070
Oct 07, 20267070
Oct 06, 2026707+1
Oct 05, 20267060
Oct 02, 2026706No prior observation