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XGBOOST İLE ZAMAN SERİSİ VERİLERİNDEN FİNANSAL BAŞARISIZLIK TAHMİNİ: BORSA ISTANBUL BİST100
2023
Journal:  
Doğuş Üniversitesi Dergisi
Author:  
Abstract:

Bu çalışmada, Borsa İstanbul BIST SINAI Endeksi’nde yer alan 233 şirketin 2010'dan 2020'ye kadar olan finansal ve finansal olmayan verileri kullanılmıştır. Bu firmaların finansal sıkıntıya girip girmeyeceklerini tahmin etmek için bir makine öğrenmesi algoritması olan XGBOOST kullanıldı. Denetimli öğrenme şeklinde makine eğitildi, verinin %80’ i eğitim, %20’ si ise test için kullanıldı. Finansal sıkıntıyı tahmin ederken finansal oranlar bağımsız değişkenler olarak kullandı. 25 adet finansal oranı 4 ana başlık altında toplayabiliriz: Likidite, Finansal Yapı, Faaliyet ve Karlılık Oranları. Ayrıca model, firmaları tek tek analiz etmeyi sağladı. Şirketlerin finansal sıkıntıya girip girmeyeceklerini tahminlemede maksimum F1 puanı (%85.1), hatırlama (%84.5), kesinlik (%85.7) ve doğruluk (%91.6) elde edildi.

Keywords:

Financial Distress Prediction From Time Series Data Using Xgboost: Bist100 Of Borsa Istanbul
2023
Author:  
Abstract:

This study utilized financial and non-financial data from 233 companies listed in the Borsa Istanbul BIST SINAI Index from 2010 to 2020. The XGBOOST machine learning algorithm was employed to predict whether these companies would encounter financial distress. The machine was trained using supervised learning, with 80% of the data used for training and 20% for testing purposes. Financial ratios were utilized as independent variables in predicting financial distress. The 25 financial ratios can be categorized into four main headings: Liquidity, Financial Structure, Activity, and Profitability Ratios. Furthermore, the model allowed for individual analysis of each company. In predicting whether companies would experience financial distress, the maximum F1 score (85.1%), recall (84.5%), precision (85.7%), and accuracy (91.6%) were achieved.

Keywords:

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Doğuş Üniversitesi Dergisi

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Doğuş Üniversitesi Dergisi