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Contract OI history

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Mar 19, 2027 EXPIRATION

TSM $300.00 Put

TSM270319P00300000

Latest saved OI5,700Oct 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 $300.00 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. 5,8402,9200 2026-10-02: 5,840 OI2026-10-05: 5,835 OI2026-10-06: 5,837 OI2026-10-07: 5,835 OI2026-10-08: 5,835 OI2026-10-09: 5,836 OI2026-10-14: 5,544 OI2026-10-15: 5,543 OI2026-10-16: 5,696 OI2026-10-21: 5,696 OI2026-10-23: 5,700 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, 2026Viewing5,700+4
Oct 21, 20265,6960
Oct 16, 20265,696+153
Oct 15, 20265,543-1
Oct 14, 20265,544-292
Oct 09, 20265,836+1
Oct 08, 20265,8350
Oct 07, 20265,835-2
Oct 06, 20265,837+2
Oct 05, 20265,835-5
Oct 02, 20265,840No prior observation