Forecasting Stock Index Returns: A Hybrid ARIMA and Neural Network Approach

Forecasting of stock indices has become a crucial task for investors and other market participants due to the increasing use of stock index related instruments for hedging and trading. A forecasting model proposed by Zhang (2003) is used on return data from the ATX, AEX, CAC 40, DAX, FTSE 100, Hang...

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Main Author: Coblenz, Maximilian
Format: Dissertation (University of Nottingham only)
Language:English
Published: 2012
Online Access:https://eprints.nottingham.ac.uk/25535/
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author Coblenz, Maximilian
author_facet Coblenz, Maximilian
author_sort Coblenz, Maximilian
building Nottingham Research Data Repository
collection Online Access
description Forecasting of stock indices has become a crucial task for investors and other market participants due to the increasing use of stock index related instruments for hedging and trading. A forecasting model proposed by Zhang (2003) is used on return data from the ATX, AEX, CAC 40, DAX, FTSE 100, Hang Seng, KOSPI 200, NIKKEI 225, RTS and S&P 500 indices. The model combines linear predictions from an ARIMA model and nonlinear predictions from a neural network to yield higher accuracy. At first glance the model seems to outperform an ARIMA model and a simple random walk. However, in the majority of the cases the results are statistically not significant. Hence, the accuracy improvement is poor in relation to the increased estimation effort. Also, a trading simulation is conducted. Yet, statistical tests do not support the superior profits generated from using the forecasts. Additionally, in a realistic setting the trading simulation results are unlikely to be reproducible. Therefore, the results do not challenge the Efficient Market Hypothesis. Nonetheless, there are some positive results. A newly introduced handling of transaction costs turns out to be quite useful for future analyses of forecasting in financial markets. In addition to that, trading is also simulated for index futures and index-tracking exchange traded funds; securities that are actually traded in real markets. Hence, a trading simulation does not have to rely on the unrealistic assumption anymore that the index is traded directly.
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spelling nottingham-255352018-01-07T10:25:14Z https://eprints.nottingham.ac.uk/25535/ Forecasting Stock Index Returns: A Hybrid ARIMA and Neural Network Approach Coblenz, Maximilian Forecasting of stock indices has become a crucial task for investors and other market participants due to the increasing use of stock index related instruments for hedging and trading. A forecasting model proposed by Zhang (2003) is used on return data from the ATX, AEX, CAC 40, DAX, FTSE 100, Hang Seng, KOSPI 200, NIKKEI 225, RTS and S&P 500 indices. The model combines linear predictions from an ARIMA model and nonlinear predictions from a neural network to yield higher accuracy. At first glance the model seems to outperform an ARIMA model and a simple random walk. However, in the majority of the cases the results are statistically not significant. Hence, the accuracy improvement is poor in relation to the increased estimation effort. Also, a trading simulation is conducted. Yet, statistical tests do not support the superior profits generated from using the forecasts. Additionally, in a realistic setting the trading simulation results are unlikely to be reproducible. Therefore, the results do not challenge the Efficient Market Hypothesis. Nonetheless, there are some positive results. A newly introduced handling of transaction costs turns out to be quite useful for future analyses of forecasting in financial markets. In addition to that, trading is also simulated for index futures and index-tracking exchange traded funds; securities that are actually traded in real markets. Hence, a trading simulation does not have to rely on the unrealistic assumption anymore that the index is traded directly. 2012-08-22 Dissertation (University of Nottingham only) NonPeerReviewed application/pdf en https://eprints.nottingham.ac.uk/25535/1/Master_Thesis_final_DBneu_online.pdf Coblenz, Maximilian (2012) Forecasting Stock Index Returns: A Hybrid ARIMA and Neural Network Approach. [Dissertation (University of Nottingham only)] (Unpublished)
spellingShingle Coblenz, Maximilian
Forecasting Stock Index Returns: A Hybrid ARIMA and Neural Network Approach
title Forecasting Stock Index Returns: A Hybrid ARIMA and Neural Network Approach
title_full Forecasting Stock Index Returns: A Hybrid ARIMA and Neural Network Approach
title_fullStr Forecasting Stock Index Returns: A Hybrid ARIMA and Neural Network Approach
title_full_unstemmed Forecasting Stock Index Returns: A Hybrid ARIMA and Neural Network Approach
title_short Forecasting Stock Index Returns: A Hybrid ARIMA and Neural Network Approach
title_sort forecasting stock index returns: a hybrid arima and neural network approach
url https://eprints.nottingham.ac.uk/25535/