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Contract OI history

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Dec 17, 2027 EXPIRATION

TSM $350.00 Put

TSM271217P00350000

Latest saved OI1,130Oct 23, 2026
Last change+1vs 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. 1,1305650 2026-10-02: 1,054 OI2026-10-05: 1,056 OI2026-10-06: 1,056 OI2026-10-07: 1,061 OI2026-10-08: 1,061 OI2026-10-09: 1,071 OI2026-10-14: 1,071 OI2026-10-15: 1,071 OI2026-10-16: 1,127 OI2026-10-21: 1,129 OI2026-10-23: 1,130 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, 2026Viewing1,130+1
Oct 21, 20261,129+2
Oct 16, 20261,127+56
Oct 15, 20261,0710
Oct 14, 20261,0710
Oct 09, 20261,071+10
Oct 08, 20261,0610
Oct 07, 20261,061+5
Oct 06, 20261,0560
Oct 05, 20261,056+2
Oct 02, 20261,054No prior observation