OITracker Cboe delayed data

Contract OI history

Back to TSM

Jan 21, 2028 EXPIRATION

TSM $390.00 Call

TSM280121C00390000

Latest saved OI647Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $390.00 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. 6863430 2026-10-02: 686 OI2026-10-05: 681 OI2026-10-06: 669 OI2026-10-07: 669 OI2026-10-08: 669 OI2026-10-09: 669 OI2026-10-14: 668 OI2026-10-15: 651 OI2026-10-16: 655 OI2026-10-21: 647 OI2026-10-23: 647 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, 2026Viewing6470
Oct 21, 2026647-8
Oct 16, 2026655+4
Oct 15, 2026651-17
Oct 14, 2026668-1
Oct 09, 20266690
Oct 08, 20266690
Oct 07, 20266690
Oct 06, 2026669-12
Oct 05, 2026681-5
Oct 02, 2026686No prior observation