Hi there, I am new to quantopian so pardon me if this may sound like a stupid question to ask. I am using the EquityPricing to get the closing price of stocks on 23/9/20 and i noticed that the closing prices i got for some of the stocks are different from that of google and yahoo. For example, when i look at AAPL, the closing price on google is 107.12, but the price i got from EquityPricing is 107.23. Is there an explanation for the difference in the price? Thanks in advance!
First off welcome aboard! Yes, the open and close prices may be a little different from other sources. The main reason is Quantopian uses the last traded price as the close price for a security. This is the last price at which a 'typical' order filled. It does not include final auction orders. Yahoo, and other sources, often use end-of-day (EOD) prices which do include these final auction orders. There is a better explanation in this post which you may want to look at.
Hope that helps. Please do post any other questions in the forums here. Our community is very engaged and helpful.
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The material on this website is provided for informational purposes only and does not constitute an offer to sell, a solicitation to buy, or a recommendation or endorsement for any security or strategy, nor does it constitute an offer to provide investment advisory services by Quantopian.
In addition, the material offers no opinion with respect to the suitability of any security or specific investment. No information contained herein should be regarded as a suggestion to engage in or refrain from any investment-related course of action as none of Quantopian nor any of its affiliates is undertaking to provide investment advice, act as an adviser to any plan or entity subject to the Employee Retirement Income Security Act of 1974, as amended, individual retirement account or individual retirement annuity, or give advice in a fiduciary capacity with respect to the materials presented herein. If you are an individual retirement or other investor, contact your financial advisor or other fiduciary unrelated to Quantopian about whether any given investment idea, strategy, product or service described herein may be appropriate for your circumstances. All investments involve risk, including loss of principal. Quantopian makes no guarantees as to the accuracy or completeness of the views expressed in the website. The views are subject to change, and may have become unreliable for various reasons, including changes in market conditions or economic circumstances.