This four-day volume growth resulted in a record-breaking increase of 90%, as compared to the 65-Day Volume Moving Average. GRBK's total volume now sits at 778.6K. The -3.83% price change was insignificant, leaving GRBK's price at $66.21. This volume move could indicate a change in trend, and may be a buy signal for investors. A.I.dvisor found 9 similar cases, 8 of which were successful. Based on this data, the odds of success are +89%.