i	Date	Open	Close	Low	High	Volume millions	Day's Return	Week's Return	Month's Return
1	20070706	39.7000	40.4400	39.0200	40.5400	0.41	1.68%	5.07%	1.89%
2	20070705	39.6600	39.7700	39.5400	40.3100	0.91	1.17%	3.41%	-2.09%
3	20070703	39.6000	39.3100	39.1500	39.9900	0.31	0.38%	4.55%	-3.32%
4	20070702	37.9000	39.1600	37.8500	39.2200	0.64	3.93%	5.55%	-5.34%
5	20070629	38.6500	37.6800	37.3500	38.9700	0.5	-2.1%	-0.58%	-7.26%

Risk
For long position, enter the trade position at a price below 5 day low moving average $38.545. The short term down side risk is the suport level at $36.03.
For short position, enter the trade position at a price above 5 day high moving average $39.637. The short term up side risk is the resistence level at $41.27.

Risk Control
Trading risk can be controlled by either stop limit, or holding period. Besides your own risk tolerance, the volatility of DLR and the trading strategy dictate what stop limit to use. DLR price fluctuates 1.24% within a day, 1.54% (including gap-up and down) daily, and 3.39% weekly.

Entering a trade for DLR at the best time of a day will improve the ROI and reduce the chance of being stopped out.99% of trading days fluctuate 1% or more. 71% of trading days fluctuate 2% or more . 37% of trading days fluctuate 3% or more. 10% of trading days fluctuate 5% or more.

Choose a trading strategy and click Evaluate button to see how different stop limits will impact the return for trading DLR.