OITracker Cboe delayed data

Contract OI history

Back to TSM

Mar 19, 2027 EXPIRATION

TSM $350.00 Put

TSM270319P00350000

Latest saved OI4,588Oct 23, 2026
Last change+848vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $350.00 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. 4,5882,2940 2026-10-02: 3,390 OI2026-10-05: 3,435 OI2026-10-06: 3,432 OI2026-10-07: 3,437 OI2026-10-08: 3,437 OI2026-10-09: 3,504 OI2026-10-14: 3,600 OI2026-10-15: 3,710 OI2026-10-16: 3,821 OI2026-10-21: 3,740 OI2026-10-23: 4,588 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, 2026Viewing4,588+848
Oct 21, 20263,740-81
Oct 16, 20263,821+111
Oct 15, 20263,710+110
Oct 14, 20263,600+96
Oct 09, 20263,504+67
Oct 08, 20263,4370
Oct 07, 20263,437+5
Oct 06, 20263,432-3
Oct 05, 20263,435+45
Oct 02, 20263,390No prior observation