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Diversification
Risk Management
どういう意味か
Spreading risk across different assets, strategies, or markets so a single bad event cannot seriously hurt the whole account.
例
Holding long tech stocks, long gold, and a short index hedge means a tech crash hurts one slice but not all three -- the portfolio is more stable than 100% tech.
初心者がよくやるミス
Beginners think holding 10 tech stocks is "diversified." If they all move together, you have one position in disguise. Real diversification needs assets that move differently.
関連用語
- Correlation — How much two assets move together, from -1 (opposite) to +1 (identical). 0 means no relati…
- Hedge — A position opened to offset the risk of another position. If your main trade loses, the he…