With BNB dropping to $583 from $588, you're facing a $5 loss per token. To decide whether to hold or sell, consider these factors:

1. Market trend: Is the broader crypto market experiencing a downturn?

2. BNB's fundamentals: Have there been any significant changes or updates affecting BNB's value?

3. Your investment goals: Are you holding for short-term gains or long-term growth?

If you expect BNB's value to rebound or believe in its long-term potential, holding might be a good strategy. However, if you're concerned about further declines, selling could minimize losses.

What's your investment horizon and risk tolerance?