you can take a look at the history of the litecoin trade. if you need more info you can visit coinmarketcap and then select litecoin. when the price reaches a low price and how much the price. you need to determine how the trend now, is it going down or up because if you want to buy litecoin, make sure the trend is down and the price is at the bottom price so you can buy a lot of litecoin. there are too many indicators that you need to know and if you can master 1 or 2 indicators then I think it is enough for you to make analyze.