This is just my vision for Litecoin. I think $2K is reasonable if and when BTC reaches 100K. That would put the ratio at about 0.02, which I think it's fair as well.
p.s. It's a messy chart, don't judge too much. I'm just playing with it, that's all ;)
p.s. It's a messy chart, don't judge too much. I'm just playing with it, that's all ;)