OITracker Cboe delayed data

Contract OI history

Back to TSM

Sep 17, 2027 EXPIRATION

TSM $420.00 Call

TSM270917C00420000

Latest saved OI308Oct 23, 2026
Last change-4vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $420.00 call open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 3121560 2026-10-02: 281 OI2026-10-05: 281 OI2026-10-06: 269 OI2026-10-07: 270 OI2026-10-08: 270 OI2026-10-09: 268 OI2026-10-14: 270 OI2026-10-15: 279 OI2026-10-16: 301 OI2026-10-21: 312 OI2026-10-23: 308 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, 2026Viewing308-4
Oct 21, 2026312+11
Oct 16, 2026301+22
Oct 15, 2026279+9
Oct 14, 2026270+2
Oct 09, 2026268-2
Oct 08, 20262700
Oct 07, 2026270+1
Oct 06, 2026269-12
Oct 05, 20262810
Oct 02, 2026281No prior observation