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Contract OI history

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Jan 15, 2027 EXPIRATION

TSM $270.00 Put

TSM270115P00270000

Latest saved OI7,985Oct 23, 2026
Last change-14vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $270.00 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. 7,9993,9990 2026-10-02: 7,440 OI2026-10-05: 7,440 OI2026-10-06: 7,386 OI2026-10-07: 7,386 OI2026-10-08: 7,386 OI2026-10-09: 7,379 OI2026-10-14: 7,380 OI2026-10-15: 7,370 OI2026-10-16: 7,370 OI2026-10-21: 7,999 OI2026-10-23: 7,985 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, 2026Viewing7,985-14
Oct 21, 20267,999+629
Oct 16, 20267,3700
Oct 15, 20267,370-10
Oct 14, 20267,380+1
Oct 09, 20267,379-7
Oct 08, 20267,3860
Oct 07, 20267,3860
Oct 06, 20267,386-54
Oct 05, 20267,4400
Oct 02, 20267,440No prior observation