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Contract OI history

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Dec 15, 2028 EXPIRATION

TSM $430.00 Put

TSM281215P00430000

Latest saved OI681Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $430.00 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. 7393690 2026-10-02: 430 OI2026-10-05: 430 OI2026-10-06: 430 OI2026-10-07: 630 OI2026-10-08: 630 OI2026-10-09: 630 OI2026-10-14: 631 OI2026-10-15: 631 OI2026-10-16: 739 OI2026-10-21: 681 OI2026-10-23: 681 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, 2026Viewing6810
Oct 21, 2026681-58
Oct 16, 2026739+108
Oct 15, 20266310
Oct 14, 2026631+1
Oct 09, 20266300
Oct 08, 20266300
Oct 07, 2026630+200
Oct 06, 20264300
Oct 05, 20264300
Oct 02, 2026430No prior observation