The Sharpe ratio for SPY at Yahoo Finance and MorningStar over the past three years is 1.31, but Quantopian is coming up with 2.10. Also, MorningStar has 2.51 for Sortino vs. Quantopian's 27.99.
Earth's orbit is the path in which the Earth travels around the Sun.iewed from a vantage point above the north poles of both the Sun and the Earth, the Earth would appear to revolve in a counterclockwise direction about the Sun. From the same vantage point, both the Earth and the Sun would appear to rotate in a counterclockwise direction about their respective axes.
The Earth rotates about its axis in a counter-clockwise direction, as viewed from an observation point above the north pole. The rotational period is, on average, one day, oâ¦r 24 hours, as compared with the Sun. That is known as the tropical day.