In my opinion, GRT is one of the best coins for investing long term as UNI, AVAX, AAVE, ALGO, SKL, SRM , 1INCH as new coin and SC, XEM, ETC, ETH, XVG, ENJ, RVN, IOST, ADA, VET, NEO, NANO, and link ,..... beside from the these technical analysis point of view try to buy small box from each one and hold it until November of 2021 or May of 2022, It will give you a huge profit. the targets for buying and selling drawing in the chart. all in all, it must be mentioned that, it is my point of view according to biography of their company and their past behavior and chart, so try to google it and then invest in these coins.