Trading double top and bottom chart patterns involves identifying reversal signals in price movements. A double top pattern typically forms after an uptrend, signaling a potential trend reversal, while a double bottom pattern occurs after a downtrend, indicating a potential bullish reversal.

To trade a double top pattern, wait for the price to form two peaks at a similar resistance level. Once the second peak is formed, look for a confirmation through a price drop below the support level between the two peaks. This could be an opportunity to sell or short the asset, anticipating a downward trend.

Conversely, for a double bottom pattern, monitor the formation of two troughs at a common support level after a downtrend. A confirmation occurs when the price rises above the resistance level between the two troughs, suggesting a potential uptrend. This might be a signal to buy or go long on the asset.

Risk management is crucial in trading these patterns. Set stop-loss orders to limit potential losses and have a clear exit strategy. Additionally, consider using other technical indicators or chart patterns to confirm signals and strengthen your overall analysis.

Remember that chart patterns are not foolproof, and market conditions can change rapidly. Always stay informed about broader economic factors and news that may impact the asset you're trading. Patience, discipline, and continuous learning are key elements of successful trading.