---
title: "牛势力度 (Bulls Power) - 振荡器 (Oscillators) - 指标 - 图表 - MetaTrader 5 的 iPhone 版 - MetaTrader 5 iPhone/iPad 帮助"
description: "每天的交易如同推高价格的购买者 (\"牛势\") 和拉低价格的出售者 (\"熊势\") 之间的战斗。取决于哪一方得势，当天结束时的价格会高于或低于前一天的收盘价。中间结果，优先于最高价和最低价，能够判定日间的战斗是如何发展的... - 牛势力度 (Bulls Power) - 振荡器 (Oscillators) - 指标"
image: "https://www.metatrader5.com/i/logo_metatrader5.png"
url: "https://www.metatrader5.com/zh/mobile-trading/iphone/help/chart/indicators/oscillators/bulls_power"
---

[MetaTrader 5 iPhone/iPad 帮助](https://www.metatrader5.com/zh/mobile-trading/iphone/help) → [图表](https://www.metatrader5.com/zh/mobile-trading/iphone/help/chart) → [指标](https://www.metatrader5.com/zh/mobile-trading/iphone/help/chart/indicators) → [振荡器 (Oscillators)](https://www.metatrader5.com/zh/mobile-trading/iphone/help/chart/indicators/oscillators) → 牛势力度 (Bulls Power)

# 牛势力度 (Bulls Power)

每天的交易如同推高价格的购买者 ("牛势") 和拉低价格的出售者 ("熊势") 之间的战斗。取决于哪一方得势，当天结束时的价格会高于或低于前一天的收盘价。中间结果，优先于最高价和最低价，能够判定日间的战斗是如何发展的。

能够评估牛势力度的平衡极其重要，以为平衡的变化可初步表明可能的趋势逆转。该任务可使用 Alexander Elder 开发的牛势力度振荡器来解决，此指标在其名为《为生活而交易》一书中描述。Elder 根据以下前提推导出该振荡器:

- 移动平均线是某一特定周期内买卖双方之间认同的价格。
- 最高价格代表日内买方力度最大。

这些前提下，Elder 开发的牛势力度展现的是最高价与 13-周期指数移动平均线之间的差价 (HIGH-EMA)。

## 用法

该指标最好与趋势指标搭配使用 (最频繁的是移动均线):

- 如果趋势指标向下而牛势力度指数高于零，但处于下降状态，这就是卖出信号;
- 这种情况下，更期待在指标图表里形成峰顶背离。

![牛势力度 (Bulls Power)](https://www.metatrader5.com/i/help/iphone/en/bulls_power.png)

## 计算

该指标计算的第一阶段是计算指数移动平均线 (通常情况下，建议使用13-周期 EMA)。

```
BULLS = HIGH - EMA
```

其中:

BULLS ― 牛势力度;
HIGH ― 当前柱线的最高价;
EMA ― [指数移动均线](https://www.metatrader5.com/zh/mobile-trading/iphone/help/chart/indicators/trend_indicators/moving_average#ema)。

上行趋势中，HIGH 高于 EMA，所以牛势力度高于零，且直方柱位于零轴之上。如果价格下行时 HIGH 降过 EMA，牛势力度低于零，且其直方柱低于零轴。

## In this section

- [平均真实范围 (Average True Range)](https://www.metatrader5.com/zh/mobile-trading/iphone/help/chart/indicators/oscillators/average_true_range)
- [熊势力度 (Bears Power)](https://www.metatrader5.com/zh/mobile-trading/iphone/help/chart/indicators/oscillators/bears_power)
- 牛势力度 (Bulls Power)
- [商品通道指数 (Commodity Channel Index)](https://www.metatrader5.com/zh/mobile-trading/iphone/help/chart/indicators/oscillators/commodity_channel_index)
- [迪马克 (DeMarker)](https://www.metatrader5.com/zh/mobile-trading/iphone/help/chart/indicators/oscillators/demarker)
- [推力指数 (Force Index)](https://www.metatrader5.com/zh/mobile-trading/iphone/help/chart/indicators/oscillators/force_index)
- [均线聚散 (MACD)](https://www.metatrader5.com/zh/mobile-trading/iphone/help/chart/indicators/oscillators/macd)
- [动量 (Momentum)](https://www.metatrader5.com/zh/mobile-trading/iphone/help/chart/indicators/oscillators/momentum)
- [移动均线振荡器 (Moving Average of Oscillator)](https://www.metatrader5.com/zh/mobile-trading/iphone/help/chart/indicators/oscillators/moving_average_oscillator)
- [相对强度指数 (Relative Strength Index)](https://www.metatrader5.com/zh/mobile-trading/iphone/help/chart/indicators/oscillators/relative_strength_index)
- [相对活力指数 (Relative Vigor Index)](https://www.metatrader5.com/zh/mobile-trading/iphone/help/chart/indicators/oscillators/relative_vigor_index)
- [随机振荡器 (Stochastic Oscillator)](https://www.metatrader5.com/zh/mobile-trading/iphone/help/chart/indicators/oscillators/stochastic_oscillator)
- [威廉姆斯百分比范围 (Williams' Percent Range)](https://www.metatrader5.com/zh/mobile-trading/iphone/help/chart/indicators/oscillators/williams_percent_range)

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