OITracker Cboe delayed data

Contract OI history

Back to QS

Oct 30, 2026 EXPIRATION

QS $3.50 Call

QS261030C00003500

Latest saved OI422Oct 23, 2026
Last change+391vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
QS $3.50 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 4222110 2026-10-09: 2 OI2026-10-13: 2 OI2026-10-14: 2 OI2026-10-15: 13 OI2026-10-16: 14 OI2026-10-21: 31 OI2026-10-23: 422 OI Oct 09, 2026Oct 23, 2026

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

QS contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing422+391
Oct 21, 202631+17
Oct 16, 202614+1
Oct 15, 202613+11
Oct 14, 202620
Oct 13, 202620
Oct 09, 20262No prior observation