Sienna Resources Inc. (SIEN:TSXV) closed at $0.080 on October 22, 2026, unchanged on the day. The stock trades 50.0% below its 52-week high of $0.160 and 14.3% above its 52-week low of $0.070. Over the past year, it lost 38.5%. Sienna Resources Inc. is part of the Energy sector.
In 252 trading sessions since October 22, 2025, SIEN closed higher on 36 days (14%). Its best day was February 26, 2026 (+27.27%) and its worst was February 27, 2026 (-14.29%). The stock moved 10% or more in a single session 39 times. It opened at least 5% above the previous day's high 18 times.
Sienna Resources Inc is an exploration-stage company. It is focused on exploring for and developing high-grade deposits in politically stable, environmentally responsible and ethical mining jurisdictions. The projects of the company are Clayton Valley, Kuusamo project and others. The company operates in one business segment, being the Acquisition and exploration of mineral properties. It has a business presence in Canada, Finland, the US and other regions.
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Based on end-of-day data. For information only, not investment advice.