OITracker Cboe delayed data

Contract OI history

Back to TSM

Nov 20, 2026 EXPIRATION

TSM $230.00 Put

TSM261120P00230000

Latest saved OI1,002Oct 23, 2026
Last change+2vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $230.00 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. 1,0025010 2026-10-02: 980 OI2026-10-05: 979 OI2026-10-06: 981 OI2026-10-07: 981 OI2026-10-08: 981 OI2026-10-09: 981 OI2026-10-14: 986 OI2026-10-15: 985 OI2026-10-16: 995 OI2026-10-21: 1,000 OI2026-10-23: 1,002 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, 2026Viewing1,002+2
Oct 21, 20261,000+5
Oct 16, 2026995+10
Oct 15, 2026985-1
Oct 14, 2026986+5
Oct 09, 20269810
Oct 08, 20269810
Oct 07, 20269810
Oct 06, 2026981+2
Oct 05, 2026979-1
Oct 02, 2026980No prior observation