What is a K-Line Chart?
K-line (or candlestick) charts display four key price points for a given period:
- Opening price
- Closing price
- Highest price
- Lowest price
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Key Components
- Bullish candle (阳线): Closing price > Opening price (typically red/green)
- Bearish candle (阴线): Closing price < Opening price (typically black/blue)
- Body (实体): Rectangle between opening/closing prices
- Upper shadow (上影线): Line above the body (high price)
- Lower shadow (下影线): Line below the body (low price)
Types of K-Line Charts
| Timeframe | Description |
|-----------|-------------|
| Daily (日K线) | Single day's price movement |
| Weekly (周K线) | Monday open → Friday close |
| Monthly (月K线) | First trading day → Month end |
| Annual (年K线) | Year-start → Year-end |
12 Essential Candlestick Patterns
Bald Yang Line (光头阳线)
- Indication: Strong bullish momentum
Bald Yin Line (光头阴线)
- Indication: Bearish dominance
Inverted Cone Yang (倒锥形阳线)
- Watch upper shadow length for resistance clues
Inverted Cone Yin (倒锥形阴线)
- Potential downtrend signal
Yang Line with Shadows (带上下影线的阳线)
- Caution: Weak upward momentum
Yin Line with Shadows (带上下影线的阴线)
- Opportunity: Possible rebound
Long-Legged Doji (大十字星)
- Breakout hint: Direction depends on shadow length
Short-Legged Doji (小十字星)
- Expectation: Consolidation
Conical Yang (锥形阳线)
- Longer lower shadow → Stronger bullish case
Conical Yin (锥形阴线)
- Lower shadow length indicates rebound potential
Gravestone Doji (墓碑形)
- Warning: Potential price drop
T-Line (T形)
- Signal: Possible upward reversal
How to Read K-Line Graphs
Color Coding
- Red/Green = Price increase
- Black/Blue = Price decrease
Special Cases
- Identical all prices → "One-Line" pattern (一字板)
Moving Averages
- 5-day (gray), 10-day (purple), 20-day (yellow), 30-day (blue)
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Volume Analysis
- Tall volume bars = High trading activity
- Short volume bars = Low participation
- Green volume = Bullish day
- Red volume = Bearish day
FAQ Section
Q1: Why are weekly/monthly K-lines important?
A: They smooth out daily volatility, revealing stronger trends.
Q2: How do shadows predict price movements?
A: Longer upper shadows suggest selling pressure; longer lower shadows indicate buying support.
Q3: What's the best timeframe for beginners?
A: Daily charts provide the ideal balance of detail and clarity.
Q4: How reliable are candle patterns alone?
A: Always combine with volume analysis and other indicators for confirmation.
Q5: Can K-line analysis be used for cryptocurrencies?
A: Yes, the principles apply equally to crypto and traditional markets.
Historical Context
Developed in 18th-century Japan for rice trading, K-line charts were adapted to modern financial markets in the 1990s. Their visual clarity makes them superior to Western bar charts for:
- Trend identification
- Support/resistance detection
- Reversal prediction
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