This forex strategy can be easily tested on any forex chart. It is taking advantage of price gaps created during weekends.
This phenomenon is caused by marked reacting to the global events during weekends. On Monday it opens on the side with higher liquidity. This forex strategy is therefore taking advantage of big players and their weekend speculations.
How to trade weekend gap
Pick you currency pair/ pairs (major and volatile). Wait for market to open on Monday. Open position to the opposite direction of price gap. (If gap marked price up – sell, if the gap marked price down – buy).

Gap should be at least 5x bigger than the average spread.
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How to exit the trade
Do not preset any stop or take profit levels. Simply wait until couple of minutes before market closure on Friday (give your position 5 days to develope).

In this example over 200 pips in profit.
Exit position regardless of profit or loss.