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How Coding Systems Drive Better Trades
The world of trading can feel like a high-stakes psychological battlefield, but for Ran Aroussi, it’s a game of systems and logic. In this episode, Ran joins hosts Ivan and the team to discuss his transition from a 35-year coding and engineering background into the world of quantitative trading. Ran explains his ‘psychological reactionary’ style, which avoids deep fundamental analysis in favour of measuring price action and standard deviation. The group explores the burgeoning role of AI in market prediction, the necessity of emotional discipline, and why a simplified set of rules often beats a complex one.
KEY TAKEAWAYS
A background in engineering and coding provides a significant edge in trading by forcing an investor to view market data through a structured, systematic lens.
Successful trading doesn't always require complex math; sometimes, rules as simple as ‘buying after two down days’ can outperform broader indices like the S&P 500.
AI won't necessarily replace traders but will shift their role from manual execution to ‘orchestrating’ agents that can recognise patterns and predict support/resistance levels in real-time.
In the trading world, the ability to stick to a predefined system (discipline) is often more valuable than raw intelligence or the ability to predict the future.
A common mistake in backtesting is using the same data set repeatedly to find a ‘sweet spot’, which leads to strategies that work on past data but fail in live markets.
BEST MOMENTS
"I don't think we're great value investors. Coming from programming, you tend to type a few things and see a result."
"The markets are not efficient; otherwise, nobody would make money outside of investing in the S&P."
"My job is no longer typing; my job is to orchestrate and give the strategy and a set of rules and direction to the AI."
"If there's something that the market gives you, it's constant feedback. You need to know what's not working in order to know what to improve."
"I'd rather not lose 50% on a stock than gain 2,000% on a stock because I can't predict it. I'd rather make the easier bets."
Ran Aroussi
X @aroussi
Free book productionaibook.com
LI https://www.linkedin.com/in/aroussi/
Books by Fredrik Sandvall
Options Strategy: Build to Keep. Ready to Sell Tomorrow.
For founders and CEOs who want businesses that compound in value, stay under control, and are always sale-ready.
https://amzn.to/4pwVhoi
The Abyss of Finance: Trust, Leverage and the Cycles of Collapse
For investors and leaders who want to understand why financial systems break before they do.
https://amzn.to/3YsRKfI
About the Podcast
Invest in You is a global podcast where entrepreneur and investor Fredrik Sandvall shares practical ideas and conversations with founders, investors, and operators. Episodes focus on investing, entrepreneurship, and building long-term control and freedom.
Occasionally joined by his sons Ivan and Charlie, the show offers both experience-based insight and a next-generation perspective.
Listeners in 155+ countries tune in to think clearer, act smarter, and build with intent.
Community & Contact
Podcast community: https://bit.ly/4jxF94k
Fredrik Sandvall
LinkedIn: https://www.linkedin.com/in/sandvall/
Facebook: https://www.facebook.com/FredrikinLondon/
View all episodes
By Fredrik Sandvall, Ivan Sandvall, Charlie Sandvall
5
44 ratings
The world of trading can feel like a high-stakes psychological battlefield, but for Ran Aroussi, it’s a game of systems and logic. In this episode, Ran joins hosts Ivan and the team to discuss his transition from a 35-year coding and engineering background into the world of quantitative trading. Ran explains his ‘psychological reactionary’ style, which avoids deep fundamental analysis in favour of measuring price action and standard deviation. The group explores the burgeoning role of AI in market prediction, the necessity of emotional discipline, and why a simplified set of rules often beats a complex one.
KEY TAKEAWAYS
A background in engineering and coding provides a significant edge in trading by forcing an investor to view market data through a structured, systematic lens.
Successful trading doesn't always require complex math; sometimes, rules as simple as ‘buying after two down days’ can outperform broader indices like the S&P 500.
AI won't necessarily replace traders but will shift their role from manual execution to ‘orchestrating’ agents that can recognise patterns and predict support/resistance levels in real-time.
In the trading world, the ability to stick to a predefined system (discipline) is often more valuable than raw intelligence or the ability to predict the future.
A common mistake in backtesting is using the same data set repeatedly to find a ‘sweet spot’, which leads to strategies that work on past data but fail in live markets.
BEST MOMENTS
"I don't think we're great value investors. Coming from programming, you tend to type a few things and see a result."
"The markets are not efficient; otherwise, nobody would make money outside of investing in the S&P."
"My job is no longer typing; my job is to orchestrate and give the strategy and a set of rules and direction to the AI."
"If there's something that the market gives you, it's constant feedback. You need to know what's not working in order to know what to improve."
"I'd rather not lose 50% on a stock than gain 2,000% on a stock because I can't predict it. I'd rather make the easier bets."
Ran Aroussi
X @aroussi
Free book productionaibook.com
LI https://www.linkedin.com/in/aroussi/
Books by Fredrik Sandvall
Options Strategy: Build to Keep. Ready to Sell Tomorrow.
For founders and CEOs who want businesses that compound in value, stay under control, and are always sale-ready.
https://amzn.to/4pwVhoi
The Abyss of Finance: Trust, Leverage and the Cycles of Collapse
For investors and leaders who want to understand why financial systems break before they do.
https://amzn.to/3YsRKfI
About the Podcast
Invest in You is a global podcast where entrepreneur and investor Fredrik Sandvall shares practical ideas and conversations with founders, investors, and operators. Episodes focus on investing, entrepreneurship, and building long-term control and freedom.
Occasionally joined by his sons Ivan and Charlie, the show offers both experience-based insight and a next-generation perspective.
Listeners in 155+ countries tune in to think clearer, act smarter, and build with intent.
Community & Contact
Podcast community: https://bit.ly/4jxF94k
Fredrik Sandvall
LinkedIn: https://www.linkedin.com/in/sandvall/
Facebook: https://www.facebook.com/FredrikinLondon/