yes lot size depend on our account balance and i say that we work in market with low lots and we do not use big lots size order in market and beginners must use low lots in market and beginner follow the good trading strategies and beginners work with careful trading methods and beginners always understand the market risk management and work in market with experience then beginners make good earning in forex market
well it depends upon the capital you have in your trading account its always good to not risk 4% of your captial for single trade so you can make money or get a loss for limited amount . there are many newbies are greedy and they are keeping large lots and finally get are losing trades and also money