OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

EDIT $2.50 Call

EDIT280121C00002500

Latest saved OI1,794Oct 23, 2026
Last change+43vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
EDIT $2.50 call open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 1,7948970 2026-10-08: 690 OI2026-10-09: 1,079 OI2026-10-13: 1,296 OI2026-10-14: 1,296 OI2026-10-16: 1,319 OI2026-10-20: 1,751 OI2026-10-23: 1,794 OI Oct 08, 2026Oct 23, 2026

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

EDIT contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,794+43
Oct 20, 20261,751+432
Oct 16, 20261,319+23
Oct 14, 20261,2960
Oct 13, 20261,296+217
Oct 09, 20261,079+389
Oct 08, 2026690No prior observation