
You invested $300 on an Dow Jones option with a return rate of 70%.
saying the Dow price will go up. It happened. The return was $513.
You invested $513 on Oil option predicting the rate will go down in
the next hour. The option return rate was 70%. The prediction was
correct so you receive a return of $877.

You bought with your $877 Gold option with a return rate of 70%. You
predicted that in the next hour the price will go up and you succeeded!
So you receive a return of $1,500.