underfunded is one of the leading reasons traders get beaten up then beat themselves up......
*Note: this is not a system I trade, have traded or plan to trade. This is purely hypothetical to demonstrate the impact commissions have.
Period: start of 2010 - end of 2011
Profitable system
Initial capital: $5,000
Commission: Commsec rates
152 trades taken. 16 winners, 136 losers. (account ran out of money so no more trades could be taken)
Ending capital: -7.70
Same system but with $0 paid in commission.
Initial capital: $5,000
261 trades taken. 118 winners, 143 losers.
Ending capital: $9564.57
Same system again, but with an account size of 100k
Initial capital: $100,000
Commission: Arbitrary $50
272 trades taken. 102 winners, 170 losers.
Ending capital: $109226.49