42 results about "Stock prediction" patented technology

The invention discloses a stock prediction method based on depth learning, which includes: obtaining the latest transaction data for the target stock and associated stock, generating a multi-dimensional feature matrix corresponding to the latest transaction data, inputting a multi-dimensional characteristic matrix corresponding to the latest transaction data into a composite neural network for processing, obtaining a prediction result of the target stock. The invention also discloses a stock prediction device based on depth learning, stock prediction apparatus and storage medium based on in-depth learning; the invention firstly utilizes the convolution neural network of the composite neural network to learn the characteristics of the transaction data of the target stock and the associatedstock, Features are input into the composite neural network of short-term and long-term memory network for processing, and the prediction of the stock price rise and fall is obtained. A stock forecastmethod based on depth learning and swarm intelligence is provided, which can accurately forecast the stock price rise and fall.

Existing stock forecasting methods can only rely on expert knowledge and the screening and refining of market data and information. It is difficult to directly model from market data to operating laws, or they are mostly based on various market indicators. These indicators include: Specific calculation formulas can reflect some characteristics of the market, but they have transformed the most original transaction data, resulting in information loss to some extent. The present invention proposes a stock trend forecasting method using deep learning technology, using deep learning technology to establish a stock trend model, using historical daily transaction data as training data to train the model, and using transaction data for a period of time before the current trading day to predict a period of time after the current trading day trend is predicted. The purpose of the present invention is to discover potential profit opportunities in the current market from the historical transaction data of the market through a deep learning method, and guide the investment behavior of institutional investors and individual investors.

The invention discloses an adaptive stock prediction method of a HMM (hidden Markov model) based on multi-characteristic factors; the method mainly comprises stock sample data and the HMM; the stock prediction concept based on HMM comprises the following steps: marking time points of history data in a hidden state so as to classify time points; searching history points with consistent classification marks of the day before a to-be-predicted date; calculating to obtain the increase and decrease amounts of the history points and the date after the history points, and estimating the closing priceresidual errors of the to-be-predicted date and the previous day. The method uses multi-characteristic attributes, and uses stock market value capital, technology and momentum indexes as primary election characteristics; the attributes with a stronger prediction capability are selected by various methods so as to serve as characteristic vectors; compared with a method using less characteristics,the adaptive stock prediction method is better in prediction capability.

The invention discloses a stock price prediction method and system based on artificial intelligence, so as to solve the problem that considerations of the existing stock prediction are one-sided. Themethod includes the steps of acquiring stock price features and stock news features on a trading day within a preset time; inputting the stock price features and the stock news features into a bidirectional recurrent neural network model for training; inputting a mixed feature vector output by the bidirectional recurrent neural network model to a multi-layer perceptron for classification training;and predicting the stock price on a next trading day based on the output of the multi-layer perceptron. According to the invention, on the basis of a framework of a bidirectional recurrent network, the price features and the news features are combined and the acquired data information is fully utilized to more accurately predict the stock price.

The invention discloses a warehousing storage location configuration system. The system comprises a warehousing database, a social network sound volume analysis module, a stock prediction module, a warehousing data calculation module and a warehousing location configuration planning module. The social network sound volume analysis module provides commodity sound volume data related to an externalsocial network; the stock prediction module provides stock prediction data; and the warehousing data calculation module provides a commodity data matrix related to the state of the goods in the warehouse, so that the warehousing location configuration planning module comprehensively considers the data provided by the warehousing database, the stock prediction module and the warehousing data calculation module to generate warehousing warehousing location configuration information, and the purpose of optimizing the warehousing location configuration is achieved.

The invention discloses a stock prediction method and system based on reinforcement learning, and the method comprises the following steps: a, obtaining the historical data of a target stock, carryingout the normalization processing of the historical data, enabling all kinds of numerical values in the historical data to be zoomed to the same scale, and forming a training set; b, constructing a stock prediction model based on the reinforcement learning theory, wherein the stock prediction model comprises an input layer, a hidden layer and an output layer; inputting the training set into a stock prediction model for training; c, performing stock prediction by using the trained stock prediction model, and evaluating the stock prediction model on the basis of the summer general ratio and themaximum withdrawal rate. The method can achieve the purpose of predicting the stock price trend direction, helps a stock market investor to reduce the risk degree of stock investment, and obtains expected benefits.

The invention discloses a stock prediction method fusing a generative adversarial network and a two-dimensional attention mechanism. The method comprises the following steps: acquiring historical sequence data of a driving factor as stock sequence input; preprocessing the historical sequence data; divdiing the preprocessed historical sequence data into a training set and a test set, performing standardization, and generating two-dimensional data sequence input; weighting spatial attention of the two-dimensional data sequence input; weighting time attention pf the two-dimensional data sequence input after the space attention weighting; constructing a stock prediction preliminary model based on a two-dimensional time-space attention mechanism as a generator; modifying an output part structure of the generator to obtain a new generator; establishing a stock prediction model based on a newborn generator and a generative adversarial network discriminator; and constructing an optimization target of the stock prediction model to obtain an optimal stock prediction model. According to the invention, a more accurate and ideal stock price prediction result can be generated.

The invention relates to a stock prediction method based on artificial intelligence ultra-deep learning in the field of information processing. The stock prediction method is characterized in that allinformation related with the prediction is processed through micro machine learning and then sent to each node of input layers; then predicted values and thresholds are generated through micro machine learning and then sent to neural layers; and a brain layer acquires a predicted range according to the predicted values, put forwards a check value, sends the check value to each neural layer for excitement checking and finally acquires an optimal predicted value. The implementation effects are that all factors related with the prediction and prediction effects generated by various mathematicalmodels can be constructed into a prediction platform through ultra-deep learning, and multiple times of machine learning are performed on a prediction result so as to achieve the optimal prediction. Meanwhile, automatic or manual fuzzy parameter correction can be carried out, so that the stock prediction method has a breakthrough in stock prediction.

The invention discloses a visual display method for a stock trend prediction result. The visual process of the method is based on a short-term stock prediction result; and short-term prediction indicates prediction of trading days of more than two weeks of stocks, for example, twenty-day prediction, thirty-day prediction, or sixty-day prediction. The prediction data content includes information of an opening price, a highest price, a lowest price, a closing price, and a trading volume and the like of each prediction day. According to the method, with a graphical way, various elements or data are transformed into graphs and are drawn at a chart, so that future trend prediction information of the stock can be expressed clearly and effectively. The method disclosed by the invention can be used for visual displaying of a short-term prediction result of a common stock, so that convenience is provided for the user and a decision-making support is provided for the stock operation by the user.

The invention discloses a method and device for predicting a stock trend. The method comprises: collecting annual report data and operation data of a designated enterprise in each preset year and preprocessing the collected annual report data to obtain corpuses corresponding to all annual report data; carrying out an emotional analysis on each corpus, determining an emotional intonation value of each corpus, and detecting readability of each corpus by using a preset readability detection algorithm; according to stock price change trends and operation data of the designated enterprise in all preset years as well as the emotional intonation values and readability of all corpuses, training an established stock prediction model; and collecting latest annual report data and latest operational data released by a to-be-predicted enterprise and inputting the collected data into the trained stock prediction model to obtain a stock changing trend of the to-be-predicted enterprise within a presetperiod of time in future. Therefore, the stock prediction result becomes accurate and the stock prediction accuracy is improved.

The invention provides a stock prediction method of a combined LSTM model based on a two-dimensional data stream. The method comprises the following steps of converting one-dimensional stock sequencedata flow into a two-dimensional data flow containing time context information; carrying out feature extraction on the two-dimensional data flow by using a convolutional neural network; then respectively establishing an LSTM prediction model of a single stock price, a stock market index and an involved industry index on the two-dimensional data stream; and predicting a single stock price, a stockmarket index and an involved industry index by using the respective LSTM model, then establishing a relationship model between the single stock and the stock market index and between the single stockand the involved industry index respectively, and forming a combined prediction model on the basis of the relationship model. The stock prediction method of the combined LSTM model based on the two-dimensional data flow has good robustness.

The invention discloses a financial prediction method. The invention discloses a system for predicting stock in the financial field industry, which can improve the stock prediction accuracy and help a user to quickly know the trend of the stock of the next week. The system comprises an industry stock data acquisition module, an industry stock data preprocessing module, an industry stock data training module, an industry stock data prediction module, an industry stock prediction value and a true value comparison display module.

The invention discloses a stock recommendation method and system based on a bidirectional long-short time memory model. The method comprises the steps of obtaining stock data to be predicted; Inputting the stock data to be predicted into a stock prediction model based on a bidirectional long-short time memory model to obtain a stock prediction result; And performing stock recommendation accordingto the stock prediction result. According to the invention, stock prediction is carried out through a bidirectional long-short time memory model which is a neural network with time performance; According to the stock recommendation method based on deep learning, the context relation in the forward time direction and the backward time direction of the time sequence is fully utilized, the influenceof time factors on stock fluctuation is considered, and compared with a traditional stock recommendation method based on deep learning, a stock prediction and recommendation result with higher precision can be provided. The method can be widely applied to the field of financial data mining.

The embodiment of the invention provides an engineering machine part stocking prediction method. The prediction method comprises the following steps: constructing data features from historical sales volume data of parts; matching a corresponding demand prediction model according to the data features; and obtaining a prediction demand of the accessory based on the historical sales data of the accessory and a demand prediction model. Meanwhile, the invention further discloses a corresponding engineering machine part stock management method and system. According to the embodiment of the invention, the method and system solves a problem that a single prediction model is poor in adaptability to different types of engineering machinery parts, and improves the efficiency of stocking management of the engineering machinery parts and the economical efficiency and accuracy of stocking.

The invention discloses a stock prediction method based on an optimized historical data back testing policy. The stock quotation data of 20 years since 1990s and the recent stock quotation data from data suppliers at a time interval are calculated on a server, and a stock selection policy function is obtained by using a Monte Carlo method while the probability of the buying/selling point is estimated; the probability is used as the predicated stock buying/selling point and the stock selection policy function is pushed to an intelligent terminal; and in the stock selection policy function, the investors can select the functions predicted by use of different time intervals. According to the invention, the stock historical data is subjected to back testing by the Monte Carlo method, the parameters of the stock selection policy function are optimized, and the stock buying/selling point can be predicted more accurately.

The invention discloses a stock mode automatic identification and prediction method, which detects a graph mode which has occurred in stock market history through a mode identification method, uses the graph mode as training data for training of a support vector machine for stock prediction, and can automatically identify the graph mode and make a transaction decision. The method comprises the following steps of designing a stock market history chart pattern recognition method; carrying out the chart mode feature extraction; training of a vector machine and determination of stock holding timeare supported. The method mainly aims at reducing the problem that traditional manual work is high in cost in chart mode discovery and improving the accuracy rate of a traditional chart mode, the prediction result is more accurate than that of a traditional method, and excessive income can be obtained in a back test experiment.

The invention relates to an artificial intelligence stock system application method, and relates to the technical field of stock transaction, and the method comprises the steps: training a rise and fall prediction model, predicting a stock prediction data set in a next period, screening growth situation stock data, classifying the stock data, analyzing a user preference field, and correspondingly pushing information. According to the artificial intelligence stock system, the stock in the corresponding field can be pushed to the user, so that the buyed stock can correspond to the field understood by the user, the user can better understand the stock data to judge holding or selling, and the possibility that the user benefits is increased.

The invention discloses a method for analyzing a stock trend. The method comprises steps of obtaining stock data through the method, and forming a feature data set; secondly, initializing the speed and position information of the stock data set, updating a local optimal value point of each particle point and the iteration step number and the self-adaptive speed value of each particle in each dimension, updating the speeds and positions of all the particle points, and finding a global optimal value point of the population from historical local optimal value points of all the particles; and finally, constructing a data matrix according to the optimal features, performing RF classification on the data matrix to obtain a classification result, performing stock prediction, and comparing the prediction result accuracy with a BPSO-RF algorithm. According to the method, the optimized discrete binary particle swarm is utilized to improve the random forest algorithm, remove redundant features, screen optimal features and input the optimal features into the RF algorithm for stock prediction, so the prediction precision is improved, the method provided by the invention has a high convergence rate, can find a better optimal value of the target function in the same iteration step, and reduces the stock prediction time.

The invention discloses a stock prediction system based on data analysis, which comprises a stock analysis and prediction layer, the stock analysis and prediction layer comprises a user login system, a data loading system, a risk prompting system, a prediction and analysis system and a screening and locking system, and the output end of the user login system is connected with the input end of the data loading system. The output end of the data loading system is connected with the input end of the risk prompting system, the output end of the risk prompting system is connected with the input end of the prediction analysis system, and the output end of the prediction analysis system is connected with the input end of the screening locking system. According to the stock prediction system based on data analysis, through the arrangement of the data loading system and the screening locking system, various data can be conveniently loaded in time, so that the prediction analysis difficulty is reduced, the functions are relatively perfect, the data are updated in real time, comparison and screening can be intuitively performed, and the investment risk is reduced.