OITracker Cboe delayed data

Contract OI history

Back to C

Jan 21, 2028 EXPIRATION

C $170.00 Call

C280121C00170000

Latest saved OI1,672Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
C $170.00 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. 1,6728360 2026-10-02: 1,572 OI2026-10-05: 1,572 OI2026-10-06: 1,639 OI2026-10-07: 1,637 OI2026-10-08: 1,637 OI2026-10-09: 1,639 OI2026-10-13: 1,657 OI2026-10-14: 1,657 OI2026-10-15: 1,657 OI2026-10-16: 1,672 OI2026-10-21: 1,672 OI2026-10-23: 1,672 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, 2026Viewing1,6720
Oct 21, 20261,6720
Oct 16, 20261,672+15
Oct 15, 20261,6570
Oct 14, 20261,6570
Oct 13, 20261,657+18
Oct 09, 20261,639+2
Oct 08, 20261,6370
Oct 07, 20261,637-2
Oct 06, 20261,639+67
Oct 05, 20261,5720
Oct 02, 20261,572No prior observation