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Contract OI history

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Apr 16, 2027 EXPIRATION

TSM $430.00 Put

TSM270416P00430000

Latest saved OI561Oct 23, 2026
Last change+12vs 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. 5612800 2026-10-02: 330 OI2026-10-05: 330 OI2026-10-06: 414 OI2026-10-07: 418 OI2026-10-08: 418 OI2026-10-09: 521 OI2026-10-14: 522 OI2026-10-15: 527 OI2026-10-16: 544 OI2026-10-21: 549 OI2026-10-23: 561 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, 2026Viewing561+12
Oct 21, 2026549+5
Oct 16, 2026544+17
Oct 15, 2026527+5
Oct 14, 2026522+1
Oct 09, 2026521+103
Oct 08, 20264180
Oct 07, 2026418+4
Oct 06, 2026414+84
Oct 05, 20263300
Oct 02, 2026330No prior observation