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- 12 January 2008
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At first we'll only use it when we are near fully invested (long) and it looks like the market may turn down. We'll use it to offset the loss of open profits and if the market continues lower we might make a profit as well. This is not a hedging system.
We've seen that the market can go down and being long only is not fun. When the index goes down, we reduce our open risk and protect our capital, but we can't profit from the move or offset the loss of open profits unless we can short. I'm going to include shorts on the index only. I've thought about shorting individual stocks but there can be issues with availability and we will be exposed to the occasional stock shocks. Trading indicies removes the stock shock and they are available to trade almost 24hrs. Most cfd providers offer an ASX index that we can use.
daily.returns
Annualized Return 0.0739
Annualized Std Dev 0.1555
Annualized Sharpe (Rf=0%) 0.4754
daily.returns
Annualized Return 0.1731
Annualized Std Dev 0.2080
Annualized Sharpe (Rf=0%) 0.8325
It is possible to profit from longs during downturns.
A crude mean reversion strategy which "percent ranks" the rolling 2 day Rate Of Change (ROC) and only buys when the rank is in the lowest decile
This is without any position sizing or stops. You can also improve this strategy by using limit orders at the daily lows and raising the threshold for moving to cash, but I just wanted to demonstrate it's possible to harvest mean reversion longs during protracted bears.
Interesting. It's these "not common sense" approaches where edges are now found I reckon.
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