OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

DRTS $25.00 Call

DRTS280121C00025000

Latest saved OI620Oct 21, 2026
Last change+1vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
DRTS $25.00 call open interest history 6 saved observations from 2026-10-09 to 2026-10-21. Exact values and changes are listed in the table below. 6203100 2026-10-09: 516 OI2026-10-13: 619 OI2026-10-14: 619 OI2026-10-15: 619 OI2026-10-16: 619 OI2026-10-21: 620 OI Oct 09, 2026Oct 21, 2026

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

DRTS contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 21, 2026Viewing620+1
Oct 16, 20266190
Oct 15, 20266190
Oct 14, 20266190
Oct 13, 2026619+103
Oct 09, 2026516No prior observation