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Contract OI history

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Feb 19, 2027 EXPIRATION

DRTS $17.50 Call

DRTS270219C00017500

Latest saved OI583Oct 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 $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. 5832910 2026-10-09: 558 OI2026-10-13: 568 OI2026-10-14: 568 OI2026-10-15: 568 OI2026-10-16: 583 OI2026-10-21: 583 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, 2026Viewing5830
Oct 16, 2026583+15
Oct 15, 20265680
Oct 14, 20265680
Oct 13, 2026568+10
Oct 09, 2026558No prior observation