Dictionary
- Return On Sales (ROS), /or profit margin/
- A measure of a company's profitability, equal to a fiscal year's pre-tax income divided by total sales
- Reversing trade
- Entering the opposite side of a currently held futures position to close out the position.
- Reward-to-Volatility Ratio
- Ratio of excess return to portfolio standard deviation.
- Risk Control
- Using of trading rules for restriction of losses.
- Rollover
- A transaction designed for spot deals whereby the delivery is extended and "exchanged" from the old spot delivery date to the current spot delivery date.