OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

DRTS $17.50 Call

DRTS270115C00017500

Latest saved OI720Oct 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 $17.50 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. 7213600 2026-10-09: 716 OI2026-10-13: 721 OI2026-10-14: 721 OI2026-10-15: 721 OI2026-10-16: 721 OI2026-10-21: 720 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, 2026Viewing720-1
Oct 16, 20267210
Oct 15, 20267210
Oct 14, 20267210
Oct 13, 2026721+5
Oct 09, 2026716No prior observation