Traders' Roundtable

To give you a better understanding of where i come from, i am liberal arts grad. I've studied economics & finance a bit and during 2007 observing the housing bubble and boom in materials I've invested some money in oil futures in 2007 and selling them in 2008 when it crossed $120 I've bought out of ...

Would you please kindly let me know of any errors in my understanding of trading

Here is what i understood about trading:

Trading in its most basic form is dealing with Probabilities.

Expectancy determines the profits accrued in trading.
Expectancy is derived from the Probability of Wins and Win ...