Quants

Greener Software is Better Software

Faster Software is Greener Software Simply put, when one software product is more efficient than another, it runs faster and takes less time to solve the same problem.  The less time software takes to run, the less power is consumed. By way of illustration, consider the efficiency of a steam ship going from New York [...]

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Toss your Financial Slide-rule: Beta Computation, MPT, and PMPT

Let me take you back to grad school for a few moments, or perhaps your college undergrad. If you’ve studied much finance, you’ve surely studied beta in the context of modern portfolio theory (MPT) and the Capital-Asset Pricing Model (CAPM). If you are a quant like me, you may have been impressed with the elegance [...]

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New Perspectives on Portfolio Optimization

Building superior investment portfolios is what money managers are paid to do. As a fund manager, I wanted software to help me build superior, positive-alpha portfolios. Not finding software that did anything like I wanted, I decided to write my own. When I build or modify a portfolio I start with investment ideas. Ideas like [...]

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Financial Software: Heuristics Explained

A Baseball Analogy Imagine you’re the general manager of a Major League ball club.  Your primary job is to construct (and maintain) a team of players  that will win lots of games, while keeping the total player payroll as low as possible.  When considering a hypothetical roster a baseball GM has two primary objectives in [...]

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Portfolio Software Development: Day 3

Portfolio Software: Plain English Yesterday I wrote an early version of financial software to help users improve their investing portfolios.  This software has the ability to solve financial problems in a very different way than taught in graduate-level finance classes.   Rather than relying solely on a type of mathematics called statistic analysis, Sigma1 software [...]

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Forget SDRs — The New International Currency is Digital

If you’ve no heard of BitCoin (BTC, $BCOIN) you’re missing out on a long-shot currency bet opportunity.  The risk: value could plummet to zero.  The reward: If all goes perfectly you could buy a sizable piece of the next reserve currency.   Likely something in-between will happen.  Read more about BitCoin.

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Being Quant

As I read “How I Became a Quant“  it seems that quants are more often born than made.  Of course it takes time to time to become a quant in the same way it takes time to become a doctor, lawyer, or engineer.  The difference is that one does not exactly just get a degree [...]

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Shaping Risk

In today’s investment environment, if one wants to make any positive return on investment (and avoid negative inflation-adjusted returns) one must accept some risk.   CAPM presents a simplified model of risk as embodied by, sigma, or standard deviation.  Interestingly, the basic CAPM risk model does not encompass the concept of utility. It turns out that [...]

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Index Buy-Write Funds

The PowerShares S&P 500 BuyWrite ETF (PBP) and iPath CBOE S&P 500 Buy/Write Index ETN (BWV) both seek to track the BXM Index.  Each advertises a 0.75% expense ratio/annual fee.  The BXM Index reports an “18 years [history], generating a return comparable to that of the S&P 500 with approximately two-thirds of the risk”.  Should [...]

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Quants R Us

I ask myself what value-adds will distinguish the Σ1 Fund from the numerous fund out there. Here are a few key distinguishing points:

1. Innovative, industry-leading transparency for a hedge fund.
2. Far lower overall expenses than typical for a hedge fund.
3. Far lower investment minimums, by far, than a typical hedge fund.

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