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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From Regime Switching to Fuzzy Logic -SP500

In the previous post I showed how one can implement “regime” switching to create a strategy that switches between a mean-reverting and a momentum sub-strategy. Can we do something similar (or better) using Fuzzy Logic?   Here’s the setup: (here for some Fuzzy Logic backround) We create a basic membership function for the RSI(2) indicator: …

Read moreFrom Regime Switching to Fuzzy Logic -SP500