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Contract OI history

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Jun 17, 2027 EXPIRATION

TSM $620.00 Put

TSM270617P00620000

Latest saved OI0Oct 23, 2026
Last change-28vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $620.00 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. 78390 2026-10-02: 32 OI2026-10-05: 32 OI2026-10-06: 32 OI2026-10-07: 32 OI2026-10-08: 32 OI2026-10-09: 66 OI2026-10-14: 78 OI2026-10-15: 78 OI2026-10-16: 29 OI2026-10-21: 28 OI2026-10-23: 0 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, 2026Viewing0-28
Oct 21, 202628-1
Oct 16, 202629-49
Oct 15, 2026780
Oct 14, 202678+12
Oct 09, 202666+34
Oct 08, 2026320
Oct 07, 2026320
Oct 06, 2026320
Oct 05, 2026320
Oct 02, 202632No prior observation