let us understand trading system development from a succeessful trader pt of view
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1] must be keep it simple,in one's comfort level to implement
2] information u want to know- in stock ,basic reason- why a stock can go up or down.
3] basic reason why a stock shall not move up/down
4] timeframe u choose to trade, time daily u give to learn ,time to study ur learning
curve-developing objectivity
5] learning implementable TA
6] Basic money management principle, when to quit a portfolio,when to quit a trade.,- when to add on winner
7] how to read direction bias of market
8] learning ABCD, throw out EFGH
ABCD= awareness,behavior modification,confidence,discipline
EFGH= ego,fear,hope,greed
mostly say a=attitude,which is mainly HAVE characteristics, but as a successful trader,u have to AWARE first what works in market, then DO behavior modification to suit.
8] DOING IT REGULARLY & FOLLOW THE SAME, UNTIL U QUIT(dont twigg)
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Van tharp book on system design may help