弱気相場（ベアマーケット）

価格下落局面。

🌐 用語他の言語で:

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Bear markets can be triggered by economic recessions, regulatory crackdowns, or the bursting of market bubbles. In crypto, 'Crypto Winters' are severe bear markets where asset values can drop 80-90%.

### Survival Strategies:
- HODL: Holding quality assets long-term.
- DCA (Dollar Cost Averaging): Buying small amounts regularly to lower average entry price.
- Shorting: Betting on prices to fall further (advanced).

        graph LR
  Center["弱気相場（ベアマーケット）"]:::main
  Rel_bull_market["bull-market"]:::related -.-> Center
  click Rel_bull_market "/terms/bull-market"
  classDef main fill:#7c3aed,stroke:#8b5cf6,stroke-width:2px,color:white,font-weight:bold,rx:5,ry:5;
  classDef pre fill:#0f172a,stroke:#3b82f6,color:#94a3b8,rx:5,ry:5;
  classDef child fill:#0f172a,stroke:#10b981,color:#94a3b8,rx:5,ry:5;
  classDef related fill:#0f172a,stroke:#8b5cf6,stroke-dasharray: 5 5,color:#94a3b8,rx:5,ry:5;
  linkStyle default stroke:#4b5563,stroke-width:2px;

🕸️ Open in Universe

🧒 5歳でもわかるように説明

株や仮想通貨の値段がどんどん下がって、みんなが「もっと下がるかも……」と心配している状態のことです。熊（ベア）が爪を上から下に振り下ろす動作に例えられています。

🤓 Expert Deep Dive

## Expert Deep Dive: Bear Market Analysis

This deep dive scrutinizes the technical underpinnings of a "bear market," moving beyond simplistic definitions to incorporate quantitative rigor and complex market dynamics crucial for senior technical analysis.

Missing Technical Nuances: The conventional 20% decline benchmark lacks temporal context; sustained downtrends are paramount. Technical confirmation necessitates analysis of moving average crossovers (e.g., Death Cross: 50-day MA below 200-day MA), trendline breaches, and volume analysis (increasing volume on down-days, decreasing on up-days). Support and resistance level breakdowns are critical signals. The feedback loop of fear-driven selling, liquidity crises, and amplified algorithmic trading exacerbates declines. Structural market shifts and asset-class specific dynamics (e.g., rising rates in bond markets) are often overlooked.

Enhanced ELI5 Analogy: "Imagine a market as a strong current. In a 'bear market,' the current turns sharply downwards, pulling prices down forcefully, like a bear's paw swiping. Fear spreads, causing a chain reaction: people sell quickly, pushing prices lower still, reinforcing the downward momentum."

Key Expert Concepts: A comprehensive deep dive must integrate:

Quantitative Definition Refinement: Sustained downtrends, statistical significance of declines, advanced moving average strategies, and volume profile analysis.
Market Structure & Dynamics: Feedback loops, sentiment analysis, liquidity evaporation, contagion effects, and algorithmic trading amplification.
Technical Chart Patterns: In-depth analysis of bearish reversal patterns (Head and Shoulders, Double/Triple Tops) and continuation patterns (Descending Triangles, Channels).
Momentum Indicators: RSI, MACD, and Stochastic Oscillator divergences for bearish confirmation.
Risk Management & Algorithmic Strategies: Advanced shorting techniques, volatility trading, and specific algorithmic strategies for bear market conditions.
Behavioral Finance: Herding behavior, loss aversion, and confirmation bias as drivers of market sentiment.

🧒 5歳でもわかるように説明

🤓 Expert Deep Dive

📚 出典