Impact of News on the Trend of Stock Price Change: an Analysis based on the Deep Bidirectiona LSTM Model

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The novelty of our proposed solution is that we will not only apply the technical method on raw data but also carry out the feature extensions that are used among stock market investors. Details on feature extension are given in the next subsection. Experiences gained from applying and optimizing deep learning based solutions in were taken into account while designing and customizing feature engineering and deep learning solution in this work. Based on the literature review, we select the most commonly used technical indices and then feed them into the feature extension procedure to get the expanded feature set. We will select the most effective i features from the expanded feature set. Then we will feed the data with i selected features into the PCA algorithm to reduce the dimension into j features.

Some data, such as the percentage of a certain index fluctuation has been proven to be effective on stock performance. We believe that by extracting new features from data, then combining such features with existed common technical indices will significantly benefit the existing and well-tested prediction models. This reading gives a brief overview of the field, compares technical analysis with other schools of analysis, and describes some of the main tools used in technical analysis. Although technical analysis follows predefined rules and principles, the interpretation of results is generally subjective.

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The vertical height of the bar reflects the range between the high and low price of the bar period. The price bar also records the period’s opening and closing prices with attached horizontal lines; the left line represents the open, and the right line represents the close. Momentum oscillators also alert the technical analyst to overbought or oversold conditions. For example, in an oversold condition, market sentiment is considered unsustainably bearish.

What is the Market Trend? All About How to Find Stock Market Trends

He has a BBA in Industrial Management from the University of Texas at Austin. Increasing stock market trend analysis with an upward trend indicates accumulation, while increasing volume with a downward trend means liquidation. Drop the first day and add the 11th day to maintain a ten day average.

These outside forces acting on thinly-traded stocks make them unsuitable for technical analysis. Technical analysis can be applied to charts that show price action over time. In the chart of GOOGL, you can clearly see an uptrend and downtrend. Investors will use trading volume to indicate how much activity is happening behind a price trend. Trading volume measures how many shares are traded during a defined period, and some investors look for relationships between trading volume and share price to make their investing decisions.


The second low must be higher than the first for the line to have an upward incline. Uptrend lines act as support and indicate that there is more demand than supply, even as the price rises. As long as prices remain above the trend line, the uptrend is considered to be intact. A break below the uptrend line indicates that a change in trend may be occurring. For further information on technical analysis, review this segment of the Investors Underground free beginners day trading course. Technical indicators can be used to organize, summarize, and analyze price and volume data for improved decision making.

The primary strength of this work is its detailed record of parameter adjustment procedures. While the weaknesses of this work are that neither the technical indicator nor the model structure has novelty, and the authors did not explain how their model performed better than other models in previous works. They explained how ANN and SVM work with stock market features, also recorded the parameter adjustment. The implementation part of our research could benefit from this previous work.

Stock Trends Charts: 5 Real-Life Examples

According to the previous works, some researchers who applied both financial domain knowledge and technical methods on stock data were using rules to filter the high-quality stocks. We referred to their works and exploited their rules to contribute to our feature extension design. Bollinger Bands combine the concept of a moving average with standard deviations around the moving average.

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The authors proposed an optimized model for selection and scoring of stocks. Different from the prediction model, the authors more focused on stock rankings, selection, and performance evaluation. But in the model validation part, they did not compare the model with existed algorithms but the statistics of the benchmark, which made it challenging to identify if GA would outperform other algorithms. Jeon et al. in performed research on millisecond interval-based big dataset by using pattern graph tracking to complete stock price prediction tasks.

Using Fundamental Analysis

The Bitcoin dataset ranged from the 19th of August 2013 to 19th of July 2016. Used multiple optimization methods to improve the performance of deep learning methods. The research problem of predicting Bitcoin price trend has some similarities with stock market price prediction. Hidden features and noises embedded in the price data are threats of this work. The authors treated the research question as a time sequence problem.


Its subsidiary, Charles Schwab Bank, SSB , provides deposit and lending services and products. Access to Electronic Services may be limited or unavailable during periods of peak demand, market volatility, systems upgrade, maintenance, or for other reasons. There are many breakout patterns that can provide useful entry and exit points. Ascending and descending triangles, bearish and bullish flags, and pennants are all common patterns traders use to generate buy and sell signals. Support is defined as a low price range in which the price stops declining because of buying activity.

Impact of News on the Trend of Stock Price Change: an Analysis based on the Deep Bidirectiona LSTM Model

As a result, there’s no need to look at economic, fundamental, or new developments since they’re already priced into a given security. Technical analysts generally believe that prices move in trends and history tends to repeat itself when it comes to the market’s overall psychology. The two major types of technical analysis are chart patterns and technical indicators. Moving averages strategies involve entering into long, or short, positions when the short-term moving average crosses above, or below, a long-term moving average.

Stock charts are freely available on websites such as Google Finance and Yahoo Finance, and stock brokerages always make stock charts available for their clients. In short, you shouldn’t have any trouble finding stock charts to examine. Price to Earnings ratio (P/E) – The P/E ratio indicates how much investors are willing to pay for the earnings of a company.

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Meanwhile, the N_TIME_STEPS is varied from 1 trading day to 10 trading days. The functions DataPartition (), FitModel (), EvaluateModel () are regular steps without customization. The NN structure design, optimizer decision, and other parameters are illustrated in function ModelCompile ().

Low Volume Trading on Up Days – This is another bearish indicator, although not as strong as high volume trading on down days. The low volume tends to peg the trading action on such days as less significant and usually evidence of just a short-term counter-trend retracement upward in an overall, long-term bearish trend. It implies that once a trend is established, future prices tend to follow the direction of the trend.

  • You can glean valuable indications of probable stock price movement from any stock chart.
  • Stock chart analysis is a skill, and like any other skill, one only becomes an expert at it through practice.
  • Price data (or as John Murphy calls it, “market action”) refers to any combination of the open, high, low, close, volume, or open interest for a given security over a specific timeframe.
  • While price is important, understanding how the price level is achieved can be just as significant.
  • After the PCA step, the system will get a reshaped matrix with j columns.

If a stock has already advanced significantly, it may be prudent to wait for a pullback. Or, if the stock is trending lower, it might pay to wait for buying interest and a trend reversal. Those sectors that show the most promise would be singled out for individual stock analysis. Once the sector list is narrowed to 3-4 industry groups, individual stock selection can begin. Individual stock analysis to identify the strongest and weakest stocks within select groups. Technical analysis can be as complex or as simple as you want it.

Analyzing Market Trends

Weekly historical price downloads – with up to 30 years of weekly data for some stocks. Trend and relative strength analysis on listed stocks and ETFs. Weekly trend Profile reports on all stocks and ETFs, with forward return (%) expectations over 1wk/4wk/13wk/40wk periods.

Different key ratios are also used to determine the financial health and understand the true value of a company’s stock. StocksToTrade in no way warrants the solvency, financial condition, or investment advisability ofany of the securities mentioned in communications or websites. In addition,StocksToTrade accepts no liability whatsoever for any direct or consequential loss arising from any useof this information. Traders use trends to decide which stocks have an edge that may fit their strategies.

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The EU quarterly gas and electricity market reports analyse market data in detail to examine trends and challenges. The reports explore the main factors behind price and volume variations and the interaction between market actors. The normalized confusion matrix of testing the two feature sets are illustrated in Fig.5. The left one is the confusion matrix of the feature set with expanded features, and the right one besides is the test result of using original features only. Both precisions of true positive and true negative have been improved by 7% and 10%, respectively, which proves that our feature extension method design is reasonably effective.

Access to a Stock Trends Watch List feature, allowing users to create personalized stock reports. With the right strategy and the right tools any investor can succeed on their own terms. That’s why I’m always prepared to take a loss … no matter how good a setup looks. Remember, it’s OK to miss a trend … There will always be another one. Whether your scanner missed it or you were on a coffee break — learn to let go of trends that already moved. This isn’t a great entry point if you’re looking to get in on a trend.

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