George Spritzer submits: There are some amazingly consistent seasonality trades that seem to provide convincing evidence that the stock markets are not totally efficient. One example is a simple 6 month trade using the energy service sector:
- Buy the last day in November.
- Sell the last day in May.
This trade can be easily executed using an ETF or the Fidelity Energy Services Sector Fund [FSESX]. I use FSESX because I trade a fairly large size, you can buy it without any commission and there is no slippage or bid-asked spread.
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