大盘SPX(^GSPC)from Tue Jan 3 1950 to Fri Aug 4 2017, has 17008 trading days. Mon. gainCount:1527 lossCount:1601 gainSum:6022.7 lossSum:5960.91
Tue. gainCount:1659 lossCount:1558 gainSum:6845.52 lossSum:5953.71
Wen. gainCount:1898 lossCount:1490 gainSum:6878.69 lossSum:6014.51
Thu. gainCount:1786 lossCount:1546 gainSum:6789.47 lossSum:6291.11
Fri. gainCount:1831 lossCount:1442 gainSum:6243.68 lossSum:6148.38
这里看不出有什么Bias。 |