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Contract OI history

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Jun 17, 2027 EXPIRATION

TSM $350.00 Put

TSM270617P00350000

Latest saved OI6,821Oct 23, 2026
Last change+15vs 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. 7,2253,6120 2026-10-02: 7,224 OI2026-10-05: 7,225 OI2026-10-06: 6,522 OI2026-10-07: 6,521 OI2026-10-08: 6,521 OI2026-10-09: 6,529 OI2026-10-14: 6,538 OI2026-10-15: 6,520 OI2026-10-16: 6,806 OI2026-10-21: 6,806 OI2026-10-23: 6,821 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, 2026Viewing6,821+15
Oct 21, 20266,8060
Oct 16, 20266,806+286
Oct 15, 20266,520-18
Oct 14, 20266,538+9
Oct 09, 20266,529+8
Oct 08, 20266,5210
Oct 07, 20266,521-1
Oct 06, 20266,522-703
Oct 05, 20267,225+1
Oct 02, 20267,224No prior observation