This is a risk-management overlay, not an alpha source. While running your core book of favorites and mean-reversion trades, continuously spend a small fixed budget on very cheap (sub-5c) shares on the disaster scenarios that would blow up that core. Those long-shot legs pay off big exactly when your main book is drawing down, so the cost is effectively insurance that smooths your equity curve through tail events.
Markets on Polymarket where tail-hedge overlay via cheap long-shot legs is the natural play: