OITracker Cboe delayed data

Contract OI history

Back to TOST

Nov 20, 2026 EXPIRATION

TOST $32.00 Put

TOST261120P00032000

Latest saved OI1,490Oct 23, 2026
Last change-10vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TOST $32.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 1,5277630 2026-10-02: 1,466 OI2026-10-05: 1,459 OI2026-10-06: 1,504 OI2026-10-07: 1,503 OI2026-10-08: 1,503 OI2026-10-09: 1,527 OI2026-10-13: 1,526 OI2026-10-14: 1,526 OI2026-10-15: 1,524 OI2026-10-16: 1,521 OI2026-10-21: 1,500 OI2026-10-23: 1,490 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, 20261,490-10
Oct 21, 2026Viewing1,500-21
Oct 16, 20261,521-3
Oct 15, 20261,524-2
Oct 14, 20261,5260
Oct 13, 20261,526-1
Oct 09, 20261,527+24
Oct 08, 20261,5030
Oct 07, 20261,503-1
Oct 06, 20261,504+45
Oct 05, 20261,459-7
Oct 02, 20261,466No prior observation