OITracker Cboe delayed data

Contract OI history

Back to TOST

Jan 15, 2027 EXPIRATION

TOST $42.00 Call

TOST270115C00042000

Latest saved OI4,816Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TOST $42.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 4,8342,4170 2026-10-02: 4,834 OI2026-10-05: 4,834 OI2026-10-06: 4,834 OI2026-10-07: 4,834 OI2026-10-08: 4,834 OI2026-10-09: 4,834 OI2026-10-13: 4,834 OI2026-10-14: 4,834 OI2026-10-15: 4,834 OI2026-10-16: 4,834 OI2026-10-21: 4,816 OI2026-10-23: 4,816 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

TOST contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 20264,8160
Oct 21, 2026Viewing4,816-18
Oct 16, 20264,8340
Oct 15, 20264,8340
Oct 14, 20264,8340
Oct 13, 20264,8340
Oct 09, 20264,8340
Oct 08, 20264,8340
Oct 07, 20264,8340
Oct 06, 20264,8340
Oct 05, 20264,8340
Oct 02, 20264,834No prior observation