Predicting DJIA, NASDAQ and NYSE index prices using ARIMA and VAR models

Sahil Teymurzade and Robert Ślepaczuk
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Sahil Teymurzade: University of Warsaw, Faculty of Economic Sciences, Quantitative Finance Research Group

No 2023-27, Working Papers from Faculty of Economic Sciences, University of Warsaw

Abstract: This paper implements automated trading strategies with buy/sell signals based on Autoregressive Integrated Moving Average (ARIMA) and Vector autoregression (VAR) models. ARIMA and VAR models are compared based on several forecast error measures and investment performance statistics. The data used in this thesis are daily closing prices of Dow Jones Industrial Average, NASDAQ Composite and NYSE Composite indices. The trading period covers 20 years of data from 2000-11-30 to 2020-11-30. The sensitivity analysis is made by changing the initial parameters to test how robust the methods are to these changes. Results show that although ARIMA model performed remarkably well during the volatile periods, VAR based strategy had better investment performance and was less robust to the changes compared to the ARIMA based strategy. Additionally, we have found that error metrics might be insufficient to evaluate performance of forecasting models, as VAR with higher forecast errors outperformed ARIMA model in algorithmic trading strategies.

Keywords: ARIMA model; VAR model; time series analysis; algorithmic trading strategies; investment systems; statistical models; forecasting stock prices (search for similar items in EconPapers)
JEL-codes: C14 C4 C45 C53 C58 G13 (search for similar items in EconPapers)
Pages: 31 pages
Date: 2023
New Economics Papers: this item is included in nep-ets and nep-for
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