OITracker Cboe delayed data

Contract OI history

Back to O

Nov 20, 2026 EXPIRATION

O $57.50 Call

O261120C00057500

Latest saved OI6,712Oct 23, 2026
Last change-348vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
O $57.50 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. 7,0603,5300 2026-10-02: 1,370 OI2026-10-05: 1,641 OI2026-10-06: 2,795 OI2026-10-07: 2,795 OI2026-10-08: 3,395 OI2026-10-09: 3,473 OI2026-10-13: 4,713 OI2026-10-14: 4,859 OI2026-10-15: 5,169 OI2026-10-16: 5,543 OI2026-10-21: 7,060 OI2026-10-23: 6,712 OI Oct 02, 2026Oct 23, 2026

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

O contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing6,712-348
Oct 21, 20267,060+1,517
Oct 16, 20265,543+374
Oct 15, 20265,169+310
Oct 14, 20264,859+146
Oct 13, 20264,713+1,240
Oct 09, 20263,473+78
Oct 08, 20263,395+600
Oct 07, 20262,7950
Oct 06, 20262,795+1,154
Oct 05, 20261,641+271
Oct 02, 20261,370No prior observation