OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

DRTS $22.50 Call

DRTS261120C00022500

Latest saved OI70Oct 21, 2026
Last change0vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
DRTS $22.50 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. 70350 2026-10-09: 70 OI2026-10-13: 70 OI2026-10-14: 70 OI2026-10-15: 70 OI2026-10-16: 70 OI2026-10-21: 70 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, 2026Viewing700
Oct 16, 2026700
Oct 15, 2026700
Oct 14, 2026700
Oct 13, 2026700
Oct 09, 202670No prior observation