Historical Volatility (Close-to-Close) (10-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.
SPAR Group, Inc. (SGRP) had 10-Day Historical Volatility (Close-to-Close) of 2.0543 for 2026-07-20.
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