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Contract OI history

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Jan 21, 2028 EXPIRATION

TSM $135.00 Put

TSM280121P00135000

Latest saved OI795Oct 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 $135.00 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. 8014000 2026-10-02: 796 OI2026-10-05: 796 OI2026-10-06: 796 OI2026-10-07: 796 OI2026-10-08: 796 OI2026-10-09: 801 OI2026-10-14: 793 OI2026-10-15: 793 OI2026-10-16: 795 OI2026-10-21: 795 OI2026-10-23: 795 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, 2026Viewing7950
Oct 21, 20267950
Oct 16, 2026795+2
Oct 15, 20267930
Oct 14, 2026793-8
Oct 09, 2026801+5
Oct 08, 20267960
Oct 07, 20267960
Oct 06, 20267960
Oct 05, 20267960
Oct 02, 2026796No prior observation