DeMARK 13 indicator has been quite consistently accurate for $GME over the last couple of years. Maybe not long to buy this tasty dip, before we head to the upside again? :
DeMARK Indicator Descriptions - DeMARK Analytics
Professional Force / Torque Indicator - Model M7I - Mark-10
Mark II WSI | Wind Speed Indicator is a molded white plastic instrument that indicates wind speed directly on liquid filled scale. Low cost and practical. | Dwyer Instruments