Stock Of The Day: Two Indicators Suggest Proctor And Gamble May Have Reversed
Stock Of The Day: Two Indicators Suggest Proctor And Gamble May Have Reversed
This is important. Standard deviations are a statistical concept and many trading algorithms and strategies are based on statistics and probability theory. And they suggest that 95% of all trading should be within two standard deviations of the mean.Trading models typically contain a set of parameters or conditions that must be met to give trade signals. Some human traders may only use one or two in their models while some quantitative ones may use hundreds.
交易模型通常包含一組參數或條件，必須滿足這些參數或條件才能發出交易信號。一些人工交易者可能只使用其中一兩個參數或條件作爲模型，而一些定量交易者可能使用數百個參數或條件。
On the Procter & Gamble Co (NYSE:PG) chart, two possible parameters can be used as part of a model: the Bollinger Bands and the RSI Indicator. This makes it our "Stock of the Day."
在寶潔公司（Procter & Gamble Co）（NYSE:PG）的股票圖表上，可以使用兩個潛在的參數作爲模型的一部分：布林帶（Bollinger Bands）和相對強弱指數（RSI Indicator）。這使之成爲我們的「每日股票」。
The red line on the price chart is a Bollinger Band. It is two standard deviations above the 20-day moving average.
價格圖表上的紅線是布林帶（Bollinger Band）。它是相對於20天移動平均線的兩個標準差。
This is important. Standard deviations are a statistical concept and many trading algorithms and strategies are based on statistics and probability theory. And they suggest that 95% of all trading should be within two standard deviations of the mean.
這很重要。標準差是一個統計概念，許多交易算法和策略都是基於統計學和概率論的。它們表明，95%的交易應該在均值的兩個標準差範圍內。
If a stock exceeds this threshold to the upside like Proctor and Gamble, it is considered overbought. This will draw sellers into the market because they expect a reversion to the mean or a move lower.
如果一支股票超過這個閾值，就像寶潔公司一樣，那麼它被認爲是超買的。這將吸引賣家進入市場，因爲他們預期股價會回歸均值或下跌。
Their selling could push the stock lower. It could be a self-fulfilling prophecy.
他們的拋售可能會推動股價下跌。這可能成爲一種自我實現的預言。
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The bottom half of the chart is the Relative Strength Index (RSI). This is another tool that traders use to determine if a stock is overbought. If the blue line exceeds the horizontal red line, it indicates overbought conditions. This could also draw sellers into the market.
圖表的下半部分是相對強弱指數（RSI）。這是交易者用來判斷一支股票是否超買的另一個工具。如果藍線超過橫向紅線，表示股票超買。這也可能吸引賣家進入市場。
A possible trading signal to sell could be when the Bollinger Bands and the RSI simultaneously show a stock to be overbought.
當布林帶和相對強弱指標同時顯示股票處於超買狀態時，可能會出現賣出交易信號。
As you can see on the chart, in late April the stock's price exceeded the upper Bollinger Band. However, the RSI did not indicate overbought conditions. This means there would have been no sell signal.
正如您在圖表上所看到的，四月下旬股價超過了布林帶的上軌。然而，相對強弱指標並沒有顯示超買情況。這意味着將不會有賣出信號。
Earlier this month the price exceeded the upper Bollinger Band but RSI did not move above the horizontal line. This means there was no reversal or sell signal.
本月初股價超過了布林帶的上軌，但相對強弱指標沒有突破水平線。這意味着沒有趨勢反轉或賣出信號。
On Sept.10, both indicators showed the stock to be overbought at the same time. And as you can see, it looks like a reversal has begun and a move lower could follow.
9月10日，兩個指標同時顯示股票處於超買狀態。如您所見，看起來已經開始反轉，可能會出現下跌。
Using two parameters to trigger sell signals can be a profitable way to trade. The chart of Proctor and Gamble is an illustration of this.
利用兩個參數來觸發賣出信號可能是一種盈利的交易方式。寶潔公司的圖表就是這一策略的例證。
Photo: Shutterstock
Photo: shutterstock
