OITracker Cboe delayed data

Contract OI history

Back to TOST

Nov 20, 2026 EXPIRATION

TOST $32.00 Call

TOST261120C00032000

Latest saved OI519Oct 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. 5282640 2026-10-02: 334 OI2026-10-05: 354 OI2026-10-06: 354 OI2026-10-07: 357 OI2026-10-08: 357 OI2026-10-09: 466 OI2026-10-13: 468 OI2026-10-14: 468 OI2026-10-15: 494 OI2026-10-16: 494 OI2026-10-21: 528 OI2026-10-23: 519 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, 2026Viewing519-9
Oct 21, 2026528+34
Oct 16, 20264940
Oct 15, 2026494+26
Oct 14, 20264680
Oct 13, 2026468+2
Oct 09, 2026466+109
Oct 08, 20263570
Oct 07, 2026357+3
Oct 06, 20263540
Oct 05, 2026354+20
Oct 02, 2026334No prior observation