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Contract OI history

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Sep 17, 2027 EXPIRATION

TSM $480.00 Put

TSM270917P00480000

Latest saved OI922Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $480.00 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. 9224610 2026-10-02: 105 OI2026-10-05: 114 OI2026-10-06: 820 OI2026-10-07: 833 OI2026-10-08: 833 OI2026-10-09: 855 OI2026-10-14: 902 OI2026-10-15: 902 OI2026-10-16: 901 OI2026-10-21: 922 OI2026-10-23: 922 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, 2026Viewing9220
Oct 21, 2026922+21
Oct 16, 2026901-1
Oct 15, 20269020
Oct 14, 2026902+47
Oct 09, 2026855+22
Oct 08, 20268330
Oct 07, 2026833+13
Oct 06, 2026820+706
Oct 05, 2026114+9
Oct 02, 2026105No prior observation