<prompt> Human: Any real downside to something like a 3x SPX? Excellent performance over time.Edit: a handful of comments on leveraging being a poor long term vehicle. Leveraging individual stocks, yes. In a long term growing market, the 3x multiplier outweights the higher expense ratio. 5yr total return: 468 vs 818yr total return: 771 vs 125  <response>: Any real downside to something like a 3x SPX? Excellent performance over time. higher expense ratios higher risk not designed for long-term 