stoch_k

Stochastic %K (Fast Stochastic)

`stoch_k(period)`

Parameters

Name	Type	Description
`period`	int	Number of periods for high-low range calculation

Formula

```
%K = 100 * (Close - Lowest Low) / (Highest High - Lowest Low)

Where:
- Close = Current closing price
- Lowest Low = Lowest low over period
- Highest High = Highest high over period
```

Examples

stoch_k(14);  # Standard 14-period %K
stoch_k(5);   # Fast 5-period %K
stoch_k(14) > 80;  # Overbought condition
stoch_k(14) < 20;  # Oversold condition

Returns

Stochastic %K value ranging from 0 (lowest point in range) to 100 (highest point) ## References - TradingView: `ta.stoch()` returns [k, d] - Developed by George Lane ## Notes - %K > 80 typically indicates overbought conditions - %K < 20 typically indicates oversold conditions - Returns 50 when range is zero (避免 division by zero)

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