尼日利亚的一致分析师目标价和股票价格回报率

Efe Allwell Omoduemuke, P. Ogbebor, Esther Lawal
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摘要

本研究的重点是投资估值技术(共识分析师目标价)在 2011 年至 2023 年期间对尼日利亚交易所上市公司股价回报率的影响。由于使用了尼日利亚交易所(NGX)3 个主要行业 15 家选定公司的历史(二手)数据,本研究采用了事后研究设计。面板自回归分布滞后模型是估算技术,推论的显著性水平为 5%。在数据分析之前,除了基础相关性和描述性分析之外,还进行了一些预估测试,如协整、同质性和横截面依赖性。 短期研究结果显示,滞后股价回报率(L.STR)的系数(-0.273)为显著负值,表明短期修正效应很大。相反,滞后的一致分析师目标价(L.CATP)显示出正系数(0.141),但无统计意义,表明两者之间存在适度的正相关关系,但不会对股价回报率产生直接影响。从长期来看,长期股价回报率(lr_STR)的负系数(-1.273)非常显著,强调了稳健而持续的负调整效应。在较长时期内,一致分析师目标价(lr_CATP)引入了一个略微显著的正系数(0.077),意味着对股价回报率有一定的积极影响。基于上述结果,有关分析师共识目标价(CATP)和股价回报率的一项建议是,在短期决策中仅依赖分析师共识目标价应谨慎行事。投资者应该意识到,在短期内,CATP 对滞后回报率的偏差可能影响不大。因此,在考虑 CATP 的同时考虑其他因素或指标,可提高短期决策在理解股价走势方面的准确性。
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Consensus Analysts Target Price and Stock Price Returns in Nigeria
This study focuses on the effect of an Investment Valuation technique (Consensus Analysts Target Price) on Stock Price Return of listed companies in the Nigerian Exchange between the period of 2011 and 2023. The ex-post facto research design was employed in this research due to the use of historic (secondary) data from the selected fifteen (15) companies across 3 major sectors on the Nigeria Exchange (NGX). Panel autoregressive distribution lag model was the estimation techniques and inference made on 5% significance level. Prior to the data analysis, a number or pre-estimation test were carried out such as co-integration, homogeneity, and cross-sectional dependence in addition to basis correlation and descriptive analysis.  Findings from the short run reveals a significant negative coefficient (-0.273) for lagged Stock Price Return (L.STR), indicating a substantial short-term correction effect. Conversely, the lagged Consensus Analyst Target Price (L.CATP) shows a positive coefficient (0.141) without statistical significance, suggesting a modest positive relationship without an immediate impact on Stock Price Return. Transitioning to the long run, the highly significant negative coefficient (-1.273) for long-run Stock Price Return (lr_STR) emphasizes a robust and persistent negative adjustment effect. Over an extended period, Consensus Analyst Target Price (lr_CATP) introduces a marginally significant positive coefficient (0.077), implying a modest positive impact on Stock Price Return. Based on the results, one recommendation concerning Consensus Analyst Target Price (CATP) and Stock Price Return is to exercise caution in relying solely on CATP for short-term decision-making. Investors should be aware that, in the short term, deviations from the lagged return may not be significantly influenced by CATP. Therefore, considering additional factors or indicators alongside CATP could enhance the accuracy of short-term decision-making in understanding stock price movements.
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