OITracker Cboe delayed data

Contract OI history

Back to C

Jan 21, 2028 EXPIRATION

C $220.00 Call

C280121C00220000

Latest saved OI1,497Oct 23, 2026
Last change+146vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
C $220.00 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. 1,4977480 2026-10-02: 356 OI2026-10-05: 426 OI2026-10-06: 1,215 OI2026-10-07: 1,301 OI2026-10-08: 1,301 OI2026-10-09: 1,300 OI2026-10-13: 1,301 OI2026-10-14: 1,301 OI2026-10-15: 1,301 OI2026-10-16: 1,308 OI2026-10-21: 1,351 OI2026-10-23: 1,497 OI Oct 02, 2026Oct 23, 2026

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

C contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,497+146
Oct 21, 20261,351+43
Oct 16, 20261,308+7
Oct 15, 20261,3010
Oct 14, 20261,3010
Oct 13, 20261,301+1
Oct 09, 20261,300-1
Oct 08, 20261,3010
Oct 07, 20261,301+86
Oct 06, 20261,215+789
Oct 05, 2026426+70
Oct 02, 2026356No prior observation