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Contract OI history

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Nov 06, 2026 EXPIRATION

TSM $390.00 Put

TSM261106P00390000

Latest saved OI841Oct 23, 2026
Last change+269vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $390.00 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. 8414200 2026-10-02: 25 OI2026-10-05: 23 OI2026-10-06: 9 OI2026-10-07: 10 OI2026-10-08: 10 OI2026-10-09: 53 OI2026-10-14: 66 OI2026-10-15: 156 OI2026-10-16: 613 OI2026-10-21: 572 OI2026-10-23: 841 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, 2026Viewing841+269
Oct 21, 2026572-41
Oct 16, 2026613+457
Oct 15, 2026156+90
Oct 14, 202666+13
Oct 09, 202653+43
Oct 08, 2026100
Oct 07, 202610+1
Oct 06, 20269-14
Oct 05, 202623-2
Oct 02, 202625No prior observation