OITracker Cboe delayed data

Contract OI history

Back to TOST

Oct 30, 2026 EXPIRATION

TOST $32.00 Call

TOST261030C00032000

Latest saved OI440Oct 23, 2026
Last change-9vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TOST $32.00 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. 4492240 2026-10-02: 67 OI2026-10-05: 86 OI2026-10-06: 90 OI2026-10-07: 93 OI2026-10-08: 93 OI2026-10-09: 93 OI2026-10-13: 115 OI2026-10-14: 115 OI2026-10-15: 120 OI2026-10-16: 127 OI2026-10-21: 449 OI2026-10-23: 440 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, 2026Viewing440-9
Oct 21, 2026449+322
Oct 16, 2026127+7
Oct 15, 2026120+5
Oct 14, 20261150
Oct 13, 2026115+22
Oct 09, 2026930
Oct 08, 2026930
Oct 07, 202693+3
Oct 06, 202690+4
Oct 05, 202686+19
Oct 02, 202667No prior observation