Enhancing Harry Browne’s Permanent Portfolio strategy

First published at Logical-Invest.com What is the Permanent Portfolio by Harry Browne Harry Browne’s intention was to find a solution for the money “you need to take care of you for the rest of your life”. He called it the Permanent Portfolio because he believed that once an investor sets it up, they never have …

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Intro to rules based Investing – Why follow an investment strategy?

1. Basics What is rules based Investing? In rules-based-investing we define a clear set of rules. These rules comprise an investment strategy. Here is an example strategy: “At the first day of the month, look at the performance of bonds versus stocks by calulating the 3-month performances of two exchange traded funds, SPY (the SPDR …

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QUANTtrader -The Logical-Invest investment software for building and backtesting rules-based strategies

Quanttrader Logical Invest's swiss army knife

Investment software to easily create and backtest a rules-based investment strategy

QUANTtrader is a swiss-made software tool used to develop, backtest and implement rules-based strategies. It was initially developed by Frank Grossmann as his personal investment software. After having sold two companies, Frank trades for a living and his software reflects this. QuantTrader is available from Logical-Invest.com for a monthly license.

Quanttrader Logical Invest investment Software demo

Since it is built by a trader and long-time  investor rather than by a  developer. QuantTrader’s main strength is in building medium to long term investment portfolios that are diverse, adaptive and can control risk. All this without writing a single line of code.

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Day of month effect on rebalancing a portfolio

In this post we will:

  1. Take a look at a simple, momentum based, monthly rebalanced Equity/Bond portfolio consisting of two ETFs: SPY and TLT.
  2. Search for what has been the optimal dates in the month to rebalance such a portfolio.

Each month we allocate to SPY and TLT.

If SPY has outperformed  TLT we rebalance to 60% SPY – 40% TLT.

If TLT has outperformed  SPY we rebalance to 20% SPY – 80% TLT.

For the first run we will re-balance on the first of the month and close at the last day of the month.

Rebalancing portfolio 1st day

Now will try different combinations of entry and exit days.

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