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Contract OI history

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Nov 06, 2026 EXPIRATION

TSM $440.00 Put

TSM261106P00440000

Latest saved OI736Oct 23, 2026
Last change+3vs 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. 7443720 2026-10-02: 80 OI2026-10-05: 105 OI2026-10-06: 139 OI2026-10-07: 181 OI2026-10-08: 181 OI2026-10-09: 291 OI2026-10-14: 730 OI2026-10-15: 744 OI2026-10-16: 742 OI2026-10-21: 733 OI2026-10-23: 736 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, 2026Viewing736+3
Oct 21, 2026733-9
Oct 16, 2026742-2
Oct 15, 2026744+14
Oct 14, 2026730+439
Oct 09, 2026291+110
Oct 08, 20261810
Oct 07, 2026181+42
Oct 06, 2026139+34
Oct 05, 2026105+25
Oct 02, 202680No prior observation