OITracker Cboe delayed data

Contract OI history

Back to TSM

Jan 15, 2027 EXPIRATION

TSM $320.00 Put

TSM270115P00320000

Latest saved OI7,677Oct 23, 2026
Last change+48vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $320.00 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. 7,6773,8380 2026-10-02: 7,453 OI2026-10-05: 7,421 OI2026-10-06: 7,578 OI2026-10-07: 7,582 OI2026-10-08: 7,582 OI2026-10-09: 7,572 OI2026-10-14: 7,529 OI2026-10-15: 7,538 OI2026-10-16: 7,537 OI2026-10-21: 7,629 OI2026-10-23: 7,677 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, 2026Viewing7,677+48
Oct 21, 20267,629+92
Oct 16, 20267,537-1
Oct 15, 20267,538+9
Oct 14, 20267,529-43
Oct 09, 20267,572-10
Oct 08, 20267,5820
Oct 07, 20267,582+4
Oct 06, 20267,578+157
Oct 05, 20267,421-32
Oct 02, 20267,453No prior observation