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Contract OI history

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Mar 19, 2027 EXPIRATION

TSM $210.00 Put

TSM270319P00210000

Latest saved OI197Oct 23, 2026
Last change+3vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $210.00 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. 2061030 2026-10-02: 206 OI2026-10-05: 190 OI2026-10-06: 190 OI2026-10-07: 190 OI2026-10-08: 190 OI2026-10-09: 190 OI2026-10-14: 186 OI2026-10-15: 188 OI2026-10-16: 195 OI2026-10-21: 194 OI2026-10-23: 197 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, 2026Viewing197+3
Oct 21, 2026194-1
Oct 16, 2026195+7
Oct 15, 2026188+2
Oct 14, 2026186-4
Oct 09, 20261900
Oct 08, 20261900
Oct 07, 20261900
Oct 06, 20261900
Oct 05, 2026190-16
Oct 02, 2026206No prior observation