Left side trading refers to investors predicting and buying before the downward trend ends when the price is falling; When the price rises, investors predict that the top is coming and sell before the upward trend ends. The risk of trading on the left side is relatively high, but if the judgment is accurate, the return may also be higher.

Right side trading refers to buying only after the end of a downward trend in price and the beginning of an upward trend; Sell assets only after the upward trend in prices has ended and a downward trend has begun. The risk of trading on the right side is relatively small, but the return may be relatively low.