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Contract OI history

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Mar 19, 2027 EXPIRATION

TSM $370.00 Put

TSM270319P00370000

Latest saved OI4,554Oct 23, 2026
Last change+31vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $370.00 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. 4,5542,2770 2026-10-02: 2,137 OI2026-10-05: 2,153 OI2026-10-06: 2,141 OI2026-10-07: 2,145 OI2026-10-08: 2,145 OI2026-10-09: 2,444 OI2026-10-14: 2,450 OI2026-10-15: 2,466 OI2026-10-16: 4,334 OI2026-10-21: 4,523 OI2026-10-23: 4,554 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, 2026Viewing4,554+31
Oct 21, 20264,523+189
Oct 16, 20264,334+1,868
Oct 15, 20262,466+16
Oct 14, 20262,450+6
Oct 09, 20262,444+299
Oct 08, 20262,1450
Oct 07, 20262,145+4
Oct 06, 20262,141-12
Oct 05, 20262,153+16
Oct 02, 20262,137No prior observation