“S&P Dow Jones Indices (“S&P DJI”) has determined it will add Tesla to the S&P 500 at its full float-adjusted market capitalization weight effective prior to the open of trading on Monday, December 21, 2020”
It had been expected that Tesla would be added in two tranches, but the decision is to do it all in one.
Basically two strategies were compared. The Regular Trading strategy was to buy at the open and sell at the close; the After Hours strategy was to buy at the close and sell at the open. The Index used was the S&P 500, and with the market only open for 6.5 hours a day (32.5 hours a week), leaving 135.5 hours a week for After Hours, you probably wouldn't be surprised to find more than 80% of the gains happening when the markets are closed. In fact:
Had you only invested in the After Hours strategy by buying the close and selling the next open, you'd be sitting on a solid gain of 722%. Had you done the opposite, however, and only invested in the Regular Trading strategy by buying at the open and selling at the close, you'd actually be down 8.5%.
Of course it is impractical to keep selling and buying each day, so buy and hold is the best strategy.
With November now behind us, although the month finished with a five figure loss, the month overall was a record one both in percentage (9.41%) terms and actual money. The previous monthly record of 9.3% was set in April as markets bounced off their COVID-19 lows, and the YTD number is at 19.23%, a little shy of 2019's 21.87% with one month to go.
As mentioned previously, with some of the US Election markets not yet settled, November's numbers are in fact a little lower than they should be, but December will get the boost instead - assuming Betfair don't keep dragging settlement out until inauguration day on January 20th.
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