Historical Volatility (Close-to-Close) (150-Day)
Historical Volatility (Close-to-Close): The past volatility of the security over the selected time frame, calculated using the closing price on each trading day.
Guardian Metal Resources PLC - Sponsored ADR (GMTL) had 150-Day Historical Volatility (Close-to-Close) of 0.9357 for 2026-08-18.
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