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LEAN is the open source algorithmic trading engine powering QuantConnect. Founded in 2013 LEAN has been built by a global community of 80+ engineers and powers more than a dozen hedge funds today.

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Py
1.3k
I've got different results everytime from the same codebase 7 comments, last comment by Michael Hsia,
Py
75.1k
Different backtest results when adding securities to universe, even if they're not traded 5 comments, last comment by AK M,
Py
2.2k
Data Resolution (Daily, Hour, Minute) 2 comments, last comment by Lemuel Mwangi,
Py
268
How can I clear the Logs? 4 comments, last comment by AK M,
Py
358
How to do live trade if I use custom data? 1 comment by Cole S,
Py
358
How to do live trade if I use custom data? 2 comments, last comment by Varad Kabade,
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5.5k
Debugging Help For Futures Day Trading Project 2 comments, last comment by AegeanFutures,
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1k
How to ensure specific indicator only calls data from current trading session? 2 comments, last comment by Fred Painchaud,
Py
268
How to completely reset live trading? 1 comment by AK M,
Py
7.4k
Difficulty with SMA of VIX 2 comments, last comment by David Eldringhoff,
Py
358
Shall I edit code after deploy it on quant connect node? 1 comment by Fred Painchaud,
Py
184
Paper trading initial holding doubts 1 comment by Louis Szeto,
Py
1.5k
MagicFormula: Select Stocks Monthly, Keep stocks for a year. 1 comment by Fred Painchaud,
Py
373
Option data not available in slice 2 comments, last comment by Amol gupta,
Py
282
Max symbols supported in live environment 1 comment by Fred Painchaud,
Py
358
Why does consolidated bar time not unify with the raw bar? 3 comments, last comment by Fred Painchaud,
Py
370
No contracts available for ZN future 1 comment by Alexandre Catarino,
Py
86
Trade Custom Data 3 comments, last comment by Fred Painchaud,
Py
243
IntradayVwap 1 comment by Louis Szeto,
Py
1.5k
Possible to queue jobs in backtest nodes? 1 comment by Fred Painchaud,
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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 QuantConnect. In addition, the material offers no opinion with respect to the suitability of any security or specific investment. QuantConnect 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. All investments involve risk, including loss of principal. You should consult with an investment professional before making any investment decisions.

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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 QuantConnect. In addition, the material offers no opinion with respect to the suitability of any security or specific investment. QuantConnect 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. All investments involve risk, including loss of principal. You should consult with an investment professional before making any investment decisions.

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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 QuantConnect. In addition, the material offers no opinion with respect to the suitability of any security or specific investment. QuantConnect 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. All investments involve risk, including loss of principal. You should consult with an investment professional before making any investment decisions.

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