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Biography

I am a Chartered Market Technician (CMT) charterholder and QuantConnect expert with over a decade of experience in systematic trading, algorithmic strategy development, and quantitative finance. I have completed 330+ projects on Upwork with a 100% job success rating, working with hedge funds, CTAs, financial advisors, and professional traders to build robust, data-driven trading systems (https://www.upwork.com/freelancers/aaroneller). With years of experience developing strategies on QuantConnect, I help traders and firms turn ideas into fully automated, production-ready solutions. Whether optimizing an existing model or building a custom system, I provide expert guidance to maximize your edge. Reach out on Upwork or via email at: aaron@excelintrading.com

Activity on QuantConnect

We are pioneering the radical future for open-source quant finance. QuantConnect is the world's largest quant community, empowering 220,000 quants with a framework, data, and infrastructure for their investments.


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Royce left a comment in the discussion Precise Market Open and Close Times for Daily Data

This is a great update. Is there a way (other than using a custom calendar function) to take...

8 months ago

Royce started the discussion BuyingPowerModel to always show sufficient buying power

This approach has worked up until the last couple of days. It is now throwing the following runtime...

2 years ago

Royce left a comment in the discussion BuyingPowerModel to always show sufficient buying power

Got it! Thank you, Martin Molinero 

2 years ago

Royce left a comment in the discussion BuyingPowerModel to always show sufficient buying power

Thanks for checking Vladimir. Seems to be specific to the new 3.0 IDE. It runs fine in 2.0 IDE. 

2 years ago

Royce left a comment in the discussion Debugging no longer supported in version 2.0 of Algorithm Terminal

Francesco, here is a link to the QuantBook class:

3 years ago

Royce left a comment in the discussion Precise Market Open and Close Times for Daily Data

This is a great update. Is there a way (other than using a custom calendar function) to take...

8 months ago

Royce started the discussion BuyingPowerModel to always show sufficient buying power

This approach has worked up until the last couple of days. It is now throwing the following runtime...

2 years ago

Royce left a comment in the discussion BuyingPowerModel to always show sufficient buying power

Got it! Thank you, Martin Molinero 

2 years ago

Royce left a comment in the discussion BuyingPowerModel to always show sufficient buying power

Thanks for checking Vladimir. Seems to be specific to the new 3.0 IDE. It runs fine in 2.0 IDE. 

2 years ago

Royce left a comment in the discussion Debugging no longer supported in version 2.0 of Algorithm Terminal

Francesco, here is a link to the QuantBook class:

3 years ago

Royce left a comment in the discussion Debugging no longer supported in version 2.0 of Algorithm Terminal

Hey Francesco,

3 years ago

Royce left a comment in the discussion Fundamental data missing?

Hi Levi.

3 years ago

Royce started the discussion Stop Market Order Error with Futures

I've found instances of stop market orders filling incorrectly for futures contracts. Attached is...

4 years ago

Royce started the discussion Custom One Minute Data Backtest

I am trying to backtest a strategy using custom one minute bar data for foreign equities that...

6 years ago

Royce started the discussion Data Consolidator with Python

I'm brand new to QuantConnect, and I'm trying to understand how to build a custom bar using...

7 years ago