SOL Key Levels:

Resistance: 176.67 (recent high), 180 (psychological level)

Support: 163.8 (recent low), 160 (round number)

Trading Recommendations:

Short-term should observe, waiting for:

1. A breakout above 176.78 can confirm the restart of the upward trend

2. A drop below 163 will establish a downward trend

3. Currently more suitable for range trading strategy (176-163)