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Contract OI history

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Dec 17, 2027 EXPIRATION

TSM $450.00 Put

TSM271217P00450000

Latest saved OI174Oct 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 $450.00 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. 174870 2026-10-02: 129 OI2026-10-05: 131 OI2026-10-06: 132 OI2026-10-07: 136 OI2026-10-08: 136 OI2026-10-09: 166 OI2026-10-14: 171 OI2026-10-15: 171 OI2026-10-16: 168 OI2026-10-21: 170 OI2026-10-23: 174 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, 2026Viewing174+4
Oct 21, 2026170+2
Oct 16, 2026168-3
Oct 15, 20261710
Oct 14, 2026171+5
Oct 09, 2026166+30
Oct 08, 20261360
Oct 07, 2026136+4
Oct 06, 2026132+1
Oct 05, 2026131+2
Oct 02, 2026129No prior observation