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Contract OI history

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Mar 19, 2027 EXPIRATION

TSM $430.00 Put

TSM270319P00430000

Latest saved OI1,033Oct 23, 2026
Last change+2vs 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. 1,0335160 2026-10-02: 857 OI2026-10-05: 861 OI2026-10-06: 906 OI2026-10-07: 938 OI2026-10-08: 938 OI2026-10-09: 967 OI2026-10-14: 996 OI2026-10-15: 1,013 OI2026-10-16: 1,017 OI2026-10-21: 1,031 OI2026-10-23: 1,033 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, 2026Viewing1,033+2
Oct 21, 20261,031+14
Oct 16, 20261,017+4
Oct 15, 20261,013+17
Oct 14, 2026996+29
Oct 09, 2026967+29
Oct 08, 20269380
Oct 07, 2026938+32
Oct 06, 2026906+45
Oct 05, 2026861+4
Oct 02, 2026857No prior observation