OITracker Cboe delayed data

Contract OI history

Back to TSM

Jan 21, 2028 EXPIRATION

TSM $330.00 Put

TSM280121P00330000

Latest saved OI737Oct 23, 2026
Last change+1vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $330.00 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. 7673830 2026-10-02: 539 OI2026-10-05: 767 OI2026-10-06: 708 OI2026-10-07: 720 OI2026-10-08: 720 OI2026-10-09: 723 OI2026-10-14: 723 OI2026-10-15: 733 OI2026-10-16: 734 OI2026-10-21: 736 OI2026-10-23: 737 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, 2026Viewing737+1
Oct 21, 2026736+2
Oct 16, 2026734+1
Oct 15, 2026733+10
Oct 14, 20267230
Oct 09, 2026723+3
Oct 08, 20267200
Oct 07, 2026720+12
Oct 06, 2026708-59
Oct 05, 2026767+228
Oct 02, 2026539No prior observation