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Contract OI history

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Mar 19, 2027 EXPIRATION

TSM $340.00 Put

TSM270319P00340000

Latest saved OI2,246Oct 23, 2026
Last change+2vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $340.00 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. 2,2491,1240 2026-10-02: 2,092 OI2026-10-05: 2,094 OI2026-10-06: 2,083 OI2026-10-07: 2,083 OI2026-10-08: 2,083 OI2026-10-09: 2,087 OI2026-10-14: 2,086 OI2026-10-15: 2,235 OI2026-10-16: 2,249 OI2026-10-21: 2,244 OI2026-10-23: 2,246 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, 2026Viewing2,246+2
Oct 21, 20262,244-5
Oct 16, 20262,249+14
Oct 15, 20262,235+149
Oct 14, 20262,086-1
Oct 09, 20262,087+4
Oct 08, 20262,0830
Oct 07, 20262,0830
Oct 06, 20262,083-11
Oct 05, 20262,094+2
Oct 02, 20262,092No prior observation