How much is a GRT worth in dollars?

Could you kindly provide some insight into the current market value of GRT in terms of US dollars? I'm interested in understanding how its price fluctuates and what factors might affect its worth. Additionally, I'm curious to know if there's any reliable source where I can find up-to-date pricing information on GRT. Would you recommend any specific platforms or resources for staying updated on its valuation? Your expertise in the field of cryptocurrency and finance would be greatly appreciated.