you can pay for that information with http://www.asianmetal.com/LithiumPrice/Lithium.html
Don't know the subscription price....but maybe if you share the cost and iformation with some others on this forum it might be worthwhile. I might be willing to cough up..although not a holder of GXY
GXY Price at posting:
32.5¢ Sentiment: None Disclosure: Not Held