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Contract OI history

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Dec 18, 2026 EXPIRATION

TSM $330.00 Put

TSM261218P00330000

Latest saved OI5,115Oct 23, 2026
Last change+4vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $330.00 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. 5,1152,5570 2026-10-02: 5,092 OI2026-10-05: 5,090 OI2026-10-06: 4,690 OI2026-10-07: 4,694 OI2026-10-08: 4,694 OI2026-10-09: 4,931 OI2026-10-14: 4,874 OI2026-10-15: 4,874 OI2026-10-16: 4,895 OI2026-10-21: 5,111 OI2026-10-23: 5,115 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, 2026Viewing5,115+4
Oct 21, 20265,111+216
Oct 16, 20264,895+21
Oct 15, 20264,8740
Oct 14, 20264,874-57
Oct 09, 20264,931+237
Oct 08, 20264,6940
Oct 07, 20264,694+4
Oct 06, 20264,690-400
Oct 05, 20265,090-2
Oct 02, 20265,092No prior observation