To optimize gains in spot trading Solana (SOL) on Binance, consider the following strategies:

1. *Trend Identification*: Use technical analysis to identify the direction and strength of the trend.

2. *Entry and Exit Points*: Set clear entry and exit points based on your analysis.

3. *Position Sizing*: Manage risk by allocating a portion of your portfolio to SOL.

4. *Stop-Loss Orders*: Set stop-loss orders to limit potential losses.

5. *Take-Profit Orders*: Set take-profit orders to lock in gains.

6. *Scaling*: Scale your positions by buying or selling in increments.

7. *Risk-Reward Ratio*: Maintain a healthy risk-reward ratio (e.g., 1:2 or 1:3).

8. *Market Sentiment*: Monitor market sentiment and adjust your strategy accordingly.

9. *News and Events*: Stay informed about news and events that may impact SOL's price.

10. *Discipline and Patience*: Stick to your strategy and avoid impulsive decisions.

By combining these strategies, you can optimize your gains in spot trading SOL on Binance. However, remember that trading carries risks, and it's essential to understand the fees, risks, and terms associated with spot trading before getting started.