I find that many people have a habit of holding ETH, BTC, altcoin for a long time and always hoping that it will rise again.
Mainly because they're just scared to risk their money since they knew that they might lose. Oh! "scared" is a harsh term, saying "playing safe" is better
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If you are a trader, you will lose money for that. Set small target and sell them when you see profits. I only need 3-5% profit when trading.
Of course because that's not a proper strategy for a trader, that was applicable for a hodler. Traders, whether daytraders or occasional traders, should be more aggressive and always keep an eye on the trend because if they're not then poor outcomes could happen, it could be either you lose opportunity to get profits or get losses (money below your capital).