Q&A: COO & Head of Trading @ Systematic Quant Hedge Fund

Just started mentoring so thought this could be helpful.

Based in Australia

  • 15+ years on the buy side
  • Mix of Portfolio Manager and Head of Business / Executive experience
  • Experience across a range of proprietary trading / hedge fund firms
  • Broad global markets experience & technical knowledge
  • Specialise in equities and futures trading, particularly Relative Value / StatArb / Delta Neutral
  • Focus on Systematic / Semi Systematic and Quantitative approaches
  • Deep experience applying AI / ML to production trading systems

Happy to answer appropriate questions and open to mentoring 

29 Comments
 
Most Helpful
  1. Surround yourself with smart, capable people and be open to learning and improving. Many spend all their time trying to show they are the smartest in the room and pushing their own ideas, focus on expanding our knowledge and experience by learning from others
  2. Just because you’re in charge doesn’t mean you’re right or always know best. Listening to and applying the skills and expertise of those below you creates a strong, high-functioning united team. Be willing to change your mind, admit you’re wrong and consider other angles. But at the same time, don’t be afraid to make the hard calls when necessary. Collaboration at the research and planning stage. Ownership at the decision stage.
  3. Never stop advancing, learning and developing. Specialising is great and important, but the moment you have a niche and start consolidating and protecting / maintaining your little edge instead of continuing to branch out, search for new applications / improvements and keep developing your skills and strategies, you’re dead. Never stop learning and pushing forward or you’ll get left behind.
  4. BONUS: Even quantitative finance is more people-based than most will admit. Human connection and communication are important and overlooked tools. Often a mediocre employee who is easy to work with and can communicate what they’re doing properly and transparently is more valuable than an incredible resource who is opaque, difficult to manage and can’t articulate their process or output effectively.

    hope these help

 

Minimally. It's not my game and not my area of expertise. My career and strategies have earned increasingly quantitative and systematic specifically because I was never any good at picking stocks on fundamentals!

Have looked at using NLP to turn compile reports into a 'qualitative quantitative' score which measures long-term markers of fundamental quality as a factor (rather than short-term sentiment) with some success, but the time horizon to realise those fundamental values may be too long for the signals to be attractive to some investors.

Using fundamental info, data and analysis as an additional lens to purely statistical signals is an interesting area and potential point-of-difference. I think the 2 disciplines will continue to merge into one approach.

 

No problem at all.

  1. Don't think there's any doubt that time horizons are shorter, price action is more rapid and aggressive and opportunities are present for shorter than ever before. Rather than race-to-the-bottom, playing a losing game against HFT to try to capture nearly-instantaneous opportunities, I've found success in trying to identify and monetise time-agnostic opportunities and persistent trends or mechanics that exist on / persist across multiple temporal levels. Additionally, with so much focus on high frequency trading, medium frequency presents a relatively less crowded space with plenty of opportunities.
  2. Big believer in managing risk at multiple levels. You wouldn't deploy raw signals into an optimised or unconstrained portfolio, why would you then deploy multiple strategies without that same level of management? Assuming 'diversification' because you're playing with multiple alpha sources isn't enough, I think it's imperative to manage on multiple levels with different limits and controls at each. The exact method varies based on each implementation, with a suitable risk protocol for each scenario, rather than just one cookie-cutter risk framework applied blindly to everything.
  3. Endless AI potential for financial markets. Much of it isn't doing anything brand new / reinventing the wheel or fully autonomous stock picking (although all these things may happen eventually too), but more doing what we are already doing but with massively increased automation, scope and capability. Think smaller, specialist teams will be able to utilise AI to achieve amazing outcomes and replace much of the human process or human layer of large investment platforms. It's a space we've been looking at very closely for a long time and mapping out specific use cases which suit the capabilities and strengths of the technology. 
 

Re AI, how do you think an entry level QR (less than 1yr on the job) can survive without getting outdone by AI? Worried because I don't have much experience yet and haven't had the time to develop differentiation.

 

I don't think AI is your competition. I think others who understand and can leverage and use AI to improve / expand their process are your competition. Don't get left behind.

Fully automated research is definitely possible and likely inevitable, but there still has to be a foundational market hypothesis, guard rails and qualifications to prevent overfitting / over-search, systems to qualify and manage the output as well as research and data hygiene standards. 

Don't try to compete with the AI in analysing data etc (you can't), instead put the time and effort into understanding the entire research workflow, understanding how and when AI should be used and how it needs to be constrained and how to utilise that power as a tool. Take ownership of it, develop your understanding and harness the technology as a tool at your disposal instead of worrying about being outdone by it. 

 

Thanks a lot for offering to do this!

I have a question on portfolio construction for systematic long/short equity, specifically around factor neutralization. At many HFs I’ve heard factor constraints can be extremely tight on common factors (Barra/Axioma etc.).

In your experience, how tight are these factor constraints typically in practice? For example, are factor exposures driven close to zero within very narrow tolerances, or is there some flexibility depending on the platform?

Related to that, how do you think about the trade-off between factor neutrality and allowing idiosyncratic alpha to come through? Is there a typical target for idiosyncratic variance that you aim? Or forced to by your platform?

Would love to hear how this is handled in real production environments.

 

Increasingly, these factor tolerances are getting tighter. The reason is 2-fold. The first is that the tighter you are on factor exposure, the more you can guarantee that the strategy returns are actually attributable to Alpha (rather than Beta / Factor exposure). The second is that (especially across a diversified multi-manager platform), even small factor exposures across many strategies can aggregate to significant risk at the firm level. These platforms want every strategy they add to the mix to be orthogonal to their existing alpha from a returns perspective, but also from a risk perspective. Different firms have different approaches and tolerances and levels of flexibility, but overall the key trend is the same.

In my career, factor neutrality as well as low correlation to broad market conditions (and competing benchmarks / existing approaches) has always been a key tenet and core focus. Eliminating beta and factor exposures create a more true and clean return profile which truly exhibits whether you are finding real edge or not.

That attitude is very common in RelVal, Delta Neutral, StatArb type worlds.  However, many thematic / discretionary approaches will use factor exposure as a feature and a way to express their view and I actually have one systematic strategy which specifically targets / replicates a sorely underrepresented factor as the basis of a delta neutral global equities portfolio and that factor exposure is the thesis of the approach.

Not all exposure is bad and needs to be eliminated at all costs, there can be purposes and tolerances. The only bad exposures are unknown, unintended or unmanaged exposure, or exposures which are beta being dressed up as alpha.

 

At what point does tightening factor neutrality start to strip away real alpha, especially when alpha itself is often correlated with certain factors?

 
  1. Recommended books / resources for statistical arbitrage?
  2. Recommend books / resources for fitting models in non-stationary environments?
  3. Most common way you see equities desks and pods fail?
  4. Will pods lose their edge to the market makers?
     
  5. Do any real players do formulaic alpha mining?
     
 
  1. Might get some heat for this, but leaning from a static, outdated printed resource like a book when you have an interactive tutor with full access to countless whitepapers and resources seems silly nowadays. LLMs let you ask questions, engage, explore, learn and discuss - use them.
  2. Same as above, with an important note that you’re going to learn more by DOING and trying and experimenting and figuring out what works and what doesn’t than just reading and studying.
  3. Apart from the classic correlation going to 1 and diversification failing during a volatility spike causing a tail risk event, mass liquidation and violent unsustainable drawdowns… the slow death option is over reliance on one or a small number of strategies to drive returns with no alternatives and no progression plan. When there’s a regime shift or that one strategy stops working and there’s no uptick in performance elsewhere and nothing new in the pipeline to replace it.. that’s a very difficult position to recover from.
  4. Interested to hear your argument for why
  5. Yes, but discovering how to do it without creating overfitting and over-search issues is extremely difficult. Being able to systematically analyse more data doesn’t mean better signals or results - the more you search the more you’ll find false positives and draw conclusions that aren’t real. Targeted, hypothesis based research is necessary rather than broad general discovery,
 

Thank you for doing this. 
1. Can you speak to your different roles (COO, PM, etc) and how you moved from one to another?

Currently a junior PM, but open to taking on a more “central”/COO role in the longer term, so curious around how that works/feasibility.

2. Can you speak to breadth vs depth? Is having broad knowledge better, or does the industry tend to value specialists of niches?

 

I have a skill set and education background which gave me the potential to add value outside of a purely 'boxed in' / specialised role, and made a big effort throughout my career to look for and accept roles which gave me scope and ability to exercise initiative and build / create / expend beyond just specialising in a single strategy or approach. Generally, these roles have been 'dual' roles - market facing and trading driven, but with a business development / executive / operations element too. I've alway run portfolios / strategies, but felt like it was limiting to not also explore the scope of what else I could offer to a business. I took alot of pride in breadth of experience and understanding how an equities business works from top to tail.

That approach has worked for me, but it's not always the case and especially now for juniors, I think you need to be very aware that recruiters and HR teams who undertake hiring for big firms are much more comfortable with only hiring someone that has had the exact same job title as the open mandate previously. There's a preference for simplicity, specialisation and standardisation and there's increasingly few in the industry who are willing to think laterally or be willing to look for and find opportunities to add top talent who don't fit neatly into one little box.

As sad as it is, I think nowadays the much safer career bet is to choose one lane and stick to it. Operations roles don't get paid the way trading roles do. Middle office would kill to be front of house. If you're a PM, stick to that.

 

This is a very distinct change I've seen in many different industries since 2023 or so. Every open role is now "owned" by a recruiter, and that person will only pass your resume on if you had the exact same job title at a list of competing firms they have. So titles have become far more important than they used to be. The only exceptions are retained searches used to hire senior executives.

 

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