Is cython supported for use in algos? I see it in zipline, which suggests it may be supported, but when I search the help page, I don't see any documentation.
Cython isn't available on the web platform. You can use it locally on your machine with Zipline.
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Thanks Alisa,
Well, could it be supported? It seems it is being used as part of the pipeline release, so you must have it working on your platform.
Grant
Many Python components used within our platform aren't available within Quantopian algorithms. For example, it wouldn't be a great idea for us to let algorithms do subprocess.call(('/bin/rm', '-rf', '/')).
Cython code would have complete access to the entire memory space of the Python process and therefore could bypass security restrictions. It is therefore not feasible for us to allow it.
Anything one could do in Cython on Quantopian can also be done in pure Python. Cython's only advantage is that sometimes it can be optimized more than Python. We are constantly working on improving Quantopian's performance -- and indeed there are some improvements currently working their way through our development pipeline which I'm confident will make our users quite happy -- and we're always interested in hearing from our users about use cases where they'd like to see better performance.
Disclaimer
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.
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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.