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Contract OI history

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Jun 17, 2027 EXPIRATION

TSM $440.00 Put

TSM270617P00440000

Latest saved OI10,690Oct 23, 2026
Last change+277vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $440.00 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. 10,6905,3450 2026-10-02: 465 OI2026-10-05: 537 OI2026-10-06: 10,111 OI2026-10-07: 10,217 OI2026-10-08: 10,217 OI2026-10-09: 10,398 OI2026-10-14: 10,404 OI2026-10-15: 10,407 OI2026-10-16: 10,409 OI2026-10-21: 10,413 OI2026-10-23: 10,690 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, 2026Viewing10,690+277
Oct 21, 202610,413+4
Oct 16, 202610,409+2
Oct 15, 202610,407+3
Oct 14, 202610,404+6
Oct 09, 202610,398+181
Oct 08, 202610,2170
Oct 07, 202610,217+106
Oct 06, 202610,111+9,574
Oct 05, 2026537+72
Oct 02, 2026465No prior observation