In the winter (like now), they are the same as Halifax, NS and as noted above are 1 hour ahead of NYC... BUT. in the spring and summer (after the spring forward time change) the DR is the same as NYC. Until the fall back time change in the Fall when they once again are the same as Halifax, NS and one hour earlier than NYC. Etc., etc., etc.
The Sortino ratio, named after Frank A. Sortino, measures the risk-adjusted return of an individual asset or a portfolio, as do the Sharpe and Treynor ratios. However, it only concerns itself with returns that fall below a user-specific minimum or required rate of return (minimum accepted return, or MAR).
Using the Sharpe Ratio. The Sharpe ratio is a risk-adjusted measure of return that is often used to evaluate the performance of a portfolio. The ratio helps to make the performance of one portfolio comparable to that of another portfolio by making an adjustment for risk.sing the Sharpe Ratio. The Sharpe ratio is a risk-adjusted measure of return that is often used to evaluate the performance of a portfolio. The ratio helps to make the performance of one portfolio comparable to that of another portfolio by making an adjustment for risk.