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6 Applications of NLP in Finance

  • Soumalya Bhattacharyya
  • Jul 05, 2022
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Natural Language Processing is one of the trendiest topics in data science right now. Companies are investing a lot of money in this field's study. Everyone is attempting to grasp Natural Language Processing and its applications in order to pursue a profession in this field. Every company wants to incorporate it into its operations in some way.

 

Because natural language processing has grown into something so strong and significant in only a few years that no one could have predicted. We need to look at the applications of natural language processing to comprehend its strength and influence on our life.

 

Natural language processing techniques are critical for enterprises that deal with huge quantities of unstructured text, such as emails, social network dialogues, online chats, survey replies, and a variety of other data types.

 

Companies may analyze data to uncover what's meaningful within the noise, and acquire useful insights that assist automate processes and drive business decisions, by introducing NLP into the workplace.

 

Companies are putting a lot of money on Natural Language Processing to improve their financial game in today's digital era.

 

NLP is a branch of AI that uses machine learning methods to help computers understand and interpret human speech. NLP is frequently associated with projects aimed towards improving human-machine interactions, such as a customer service chatbot or a virtual agent.

 

Data is becoming the driving force in finance. The most important information may be found in written form in documents, texts, websites, forums, and other locations. Finance professionals devote a significant amount of time to reviewing analyst reports, financial print publications, and other sources of data.

 

Techniques like natural language processing (NLP) and machine learning (ML) might be used to help build the financial infrastructure and make data-driven, educated choices in real time.


 

What is NLP?

 

The foundation for making computers comprehend and use natural language comes from a variety of disciplines, including linguistics, neurobiology, mathematics, and computer science, and is referred to as NLP. 

 

NLP is an area of artificial intelligence (AI), and it has grown considerably more scalable and reliable with the development of machine learning (ML) techniques and greater processing capability.

 

NLP has progressed faster than any other AI discipline in the previous three years. NLP-based applications may be found in a variety of places, from home assistants like Amazon Echo or Alexa to chatbots and more. 

 

The open, accessible datasets, as opposed to the constrained datasets available exclusively to a few companies, have been the driving force behind the NLP revolution.

 

Furthermore, the applicability of NLP models has expanded beyond English, allowing for near-perfect machine translation algorithms on a variety of platforms. 

 

NLP (Natural Language Processing) technologies, methods, and APIs (Application Programming Interfaces) are being used in a variety of sectors, including banking. There has never been a better opportunity to develop NLP-based financial solutions than today.

 

Data is driving finance nowadays, and the most important data may be found in textual form in documents, texts, websites, forums, and other places. Finance professionals devote a significant amount of time to reviewing analyst reports, financial news, and other sources of information. Automatic textual data processing can reduce the quantity of manual routine work and speed up deals dramatically.

 

NLP approaches and algorithms aid in the translation of raw textual data into relevant insights in a variety of financial domains. Traders, portfolio managers, analysts, banks, and other financial institutions are all looking for ways to better their financial research, and NLP and machine learning have emerged as the technology of choice. 

 

From retail banking to hedge fund investment, NLP is employed in the financial industry. To work with unstructured financial data, NLP techniques such as sentiment analysis, question-answering (chatbots), document categorization, and topic clustering are utilized.

 

NLP and machine learning approaches may be utilized to create a financial infrastructure that can make intelligent real-time choices. NLP can assist in the development of systems that improve financial flows by tracking a company's evolving character.

 

For example, NLP may help a bank enhance its operations in the following ways:

 

  1. Customers will get a more tailored experience.

 

  1. Better prepared to combat fraud and money laundering operations

 

  1. Enhanced operational effectiveness

 

  1. Better adherence to policy guidelines

 

  1. Analytical breakthroughs

 

  1. Product offers that are unique


 

Applications of NLP in Financial Practice

 

The unstructured text material is transformed into useful analytics using NLP algorithms. In recent years, NLP algorithms have grown considerably more dependable and scalable, providing financial decision makers with a thorough grasp of the market.

 

NLP is being used in the financial industry to reduce the amount of manual regular labor and to speed up deals, analyze risks, interpret financial emotions, and build portfolios while also automating audits and accounting. Sentiment analysis, question-answering (chatbots), topic clustering, and document categorization are used to make these advancements.

 

For financial analysts, traders, and portfolio managers, natural language processing (NLP) and machine learning (ML) have become the tools of choice. Insurance companies use natural language processing to handle claims automatically, while retail banks are improving customer service, delivering better financial solutions to their customers, and being better prepared to cope with fraud and money laundering.

 

Loan risk evaluations, auditing and accounting, sentiment analysis, and portfolio selection are all examples of NLP uses in finance. Here are some instances of how NLP is changing the financial services industry:

 


The image shows NLP Applications in the Finance sector which include Risk assessments, Accounting and auditing, Portfolio selection and optimization,Stock behavior predictions and Financial Document Analyzer

NLP Applications in Finance Sector


 

  1. Risk Assessments

 

Based on a credit risk assessment, banks can estimate the likelihood of a successful loan payback. Payment capacity is often assessed using prior spending habits and loan payment history data. However, in many situations, particularly among the impoverished, this information is unavailable. According to estimates, due to poverty, about half of the world's population does not use financial services.

 

This is an issue that NLP can help with. To measure credit risk, NLP approaches employ various data points. NLP, for example, may be used to assess attitude and entrepreneurial mentality in company financing. In the same way, it may flag data that isn't making sense and send it to be investigated further. 

 

NLP may also be used to include subtle variables such as the emotions of the lender and borrower throughout the loan procedure. Typically, businesses extract a large amount of data from personal loan papers and input it into credit risk models for additional research. 

 

Although the information gathered aids in the evaluation of credit risk, errors in data extraction can lead to incorrect judgments. In such cases, named entity recognition (NER), an NLP approach, is beneficial. NER aids in the extraction of relevant entities from the loan agreement, such as the date, location, and details of the parties involved.

 

  1. Accounting and Auditing

 

Deloitte, Ernst & Young, and PwC are all focused on providing actionable yearly audits of a company's performance. For example, Deloitte's Audit Command Language has grown into a more efficient NLP application. It has used natural language processing (NLP) approaches to examine contract documents and long-term procurement agreements, particularly with government data.

 

After decades of dealing with countless daily transactions and invoice-like documents, companies are suddenly realizing the value of NLP in obtaining a major edge in the audit process.

 

Financial professionals may use natural language processing (NLP) to immediately detect, focus on, and visualize irregularities in day-to-day transactions. With the correct technology, finding abnormalities in transactions and their causes takes less time and effort.

 

NLP can help identify substantial potential hazards and probable fraud, such as money laundering. This aids in the dissemination of value-generating activities throughout the company.

 

  1. Portfolio selection and optimization

 

Every investor's main aim is to maximize their wealth over time without being aware of the underlying distribution provided by stock prices. Data science, machine learning, and nonparametric statistics can be used to anticipate investment strategies in financial stock markets. 

 

The data gathered in the past may be utilized to forecast the start of a trading session and a portfolio. Investors can disperse their present capital among the various assets using this information. For semi-log-optimal portfolio optimization, NLP can be used. A computational alternative to log-optimal portfolio selection is semi-log-optimal portfolio selection. 

 

When environmental parameters are unclear, it assists in achieving the highest potential growth rate. By filtering out good and unattractive equities, data envelopment analysis may be used to select a portfolio.

 

  1. Stock Behavior Predictions

 

Because of the fluctuating and irregular data, as well as the long-term and seasonal fluctuations that can generate huge mistakes in the analysis, predicting time series for financial analysis is a difficult process. Deep learning integrated with natural language processing, on the other hand, far outperforms earlier methods for working with financial time series. When these two technologies are coupled, they can successfully handle massive volumes of data.

 

Deep learning is not a novel concept in and of itself. In the last five years, several deep learning algorithms have begun to outperform humans in a variety of tasks, including speech recognition and medical picture analysis. Recurrent neural networks (RNN) are a particularly successful approach of forecasting time series, such as stock prices, in the financial realm. 

 

RNNs have the ability to recognise complicated nonlinear relationships contained in financial time series data and to accurately simulate any nonlinear function. 

 

Because of the high degree of precision they provide, these approaches are potential alternatives to existing traditional stock index prediction methodologies. NLP and deep learning approaches are beneficial for predicting stock price volatility and patterns, as well as for making stock trading decisions.

 

  1. Chatbots

 

Chatbots are AI programmes that are built to communicate with humans in a way that makes them sound like humans. Depending on their sophistication, chatbots may either react to certain phrases or carry whole conversations, making it difficult to tell them apart from humans. 

 

Natural Language Processing and Machine Learning are used to develop chatbots, which means they can comprehend the nuances of the English language and determine the true meaning of a text, as well as learn from their interactions with humans and improve over time. Chatbots use a two-step process.

 

They begin by determining the meaning of the question posed and gathering any data from the user that may be necessary to respond to the query. Then they respond correctly to the inquiry.

 

  1. Financial Document Analyzer

 

Users may integrate their document finance solution into current workflows using AI technology without disrupting existing processes. Finance experts may implement use cases of NLP to automatically read and interpret massive amounts of financial documentation.

 

Businesses can use their existing documentation resources to train NLP models. The financial statement analyzer, which is powered by natural language processing, then sifts through hundreds of papers to extract and condense the most useful and informative data.

 

Furthermore, NLP is crucial in the construction of a financial market search engine. Financial institutions' databases include a large number of records. To gather useful investment data, the NLP-powered search engine extracts the components, concepts, and notions included in these papers.

 

On the search engine interface, the system then presents a summary of the most relevant information for search queries from financial company workers.

 

NLP algorithms have improved in reliability, consistency, accuracy, and scalability in recent years, giving financial decision-makers with a full understanding of the market. 

 

In the banking business, NLP is being used to automate audits and accounting while also reducing tedious duties, speeding up negotiations, analyzing risks, comprehending financial emotions, and building portfolios.

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