OITracker Cboe delayed data

Contract OI history

Back to TSSI

Dec 18, 2026 EXPIRATION

TSSI $7.50 Call

TSSI261218C00007500

Latest saved OI1,015Oct 23, 2026
Last change+4vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
TSSI $7.50 call open interest history 6 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 1,0155070 2026-10-09: 196 OI2026-10-14: 196 OI2026-10-15: 196 OI2026-10-16: 200 OI2026-10-21: 1,011 OI2026-10-23: 1,015 OI Oct 09, 2026Oct 23, 2026

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

TSSI contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 20261,015+4
Oct 21, 2026Viewing1,011+811
Oct 16, 2026200+4
Oct 15, 20261960
Oct 14, 20261960
Oct 09, 2026196No prior observation