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Contract OI history

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Nov 20, 2026 EXPIRATION

TSM $350.00 Put

TSM261120P00350000

Latest saved OI7,008Oct 23, 2026
Last change+70vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $350.00 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. 7,8213,9100 2026-10-02: 6,148 OI2026-10-05: 6,095 OI2026-10-06: 5,907 OI2026-10-07: 5,899 OI2026-10-08: 5,899 OI2026-10-09: 5,893 OI2026-10-14: 6,070 OI2026-10-15: 7,341 OI2026-10-16: 7,821 OI2026-10-21: 6,938 OI2026-10-23: 7,008 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, 2026Viewing7,008+70
Oct 21, 20266,938-883
Oct 16, 20267,821+480
Oct 15, 20267,341+1,271
Oct 14, 20266,070+177
Oct 09, 20265,893-6
Oct 08, 20265,8990
Oct 07, 20265,899-8
Oct 06, 20265,907-188
Oct 05, 20266,095-53
Oct 02, 20266,148No prior observation