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I think this strategy would be safe to black swans because it would be invested when it's going up tremendously, and out of the market when it drops tremendousl

I think this strategy would be safe to black swans because it would be invested when it's going up tremendously, and out of the market when it drops tremendously. But it would lose all it's value if it just swings up and down slightly over time, as it buys high and sells low.

lgas 9y ago
The whole point of black swans is that you can't predict them. They are equally likely to happen when the market (or a particular security) is going up or when it's going down. I don't see any reason to think you'd be more likely to be out of the market when something unpredictable happens.