DiagnosTear Technologies Inc. (DTR:CSE) closed at $0.230 on November 13, 2026, down 8.00% on the day. The stock trades 73.9% below its 52-week high of $0.880 and 9.5% above its 52-week low of $0.210. Over the past year, it lost 46.5%. DiagnosTear Technologies Inc. is part of the Technology sector.
In 252 trading sessions since November 13, 2025, DTR closed higher on 53 days (21%). Its best day was December 9, 2025 (+35.85%) and its worst was June 3, 2026 (-31.65%). The stock moved 10% or more in a single session 28 times. It opened at least 5% above the previous day's high 21 times.
DiagnosTear is focused on the diagnosis of front-of-the-eye diseases at the point of care, by analyzing the composition of the tear fluid using its proprietary non invasive TeaRx¿ technology and currently has two products for diagnosis of Dry Eye Disease and Red Eye causes.
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