OITracker Cboe delayed data

Contract OI history

Back to SYM

Jan 21, 2028 EXPIRATION

SYM $35.00 Call

SYM280121C00035000

Latest saved OI126Oct 23, 2026
Last change-6vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
SYM $35.00 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. 132660 2026-10-09: 129 OI2026-10-13: 131 OI2026-10-14: 131 OI2026-10-15: 131 OI2026-10-16: 132 OI2026-10-20: 132 OI2026-10-23: 126 OI Oct 09, 2026Oct 23, 2026

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

SYM contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing126-6
Oct 20, 20261320
Oct 16, 2026132+1
Oct 15, 20261310
Oct 14, 20261310
Oct 13, 2026131+2
Oct 09, 2026129No prior observation