Data Trends for Investment Professionals

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The Unbearable Transience of Alpha

In 2004 I enjoyed my 15 minutes of fame for an article I wrote called The Tao of Alpha, in which I explained the concept of alpha as a zero-sum game. Sources of alpha in 2004 were much different than those available in the mid-1990s when I started my career and they are also different from today's. Alpha is highly transient and has been coming and going for as long as capital markets have existed. The term “alpha” entered the vocabulary of Wall Street sometime in the 1980s, gaining widespread use in the 1990s with the proliferation of hedge funds.It...

Alternative Data – The Developing Trend in Financial Data

As quants, we’re all aware that every model has a shelf life. Sooner or later, the ideas and techniques behind every “proprietary” analytical technique diffuse into the broader world, at which point that technique is no longer the source of a competitive edge or alpha. What’s less well appreciated is that a similar pattern applies to the world of data. Rare, unique and proprietary data eventually diffuses and becomes commonplace, easily available, edgeless data. The best analysts constantly reinvent their models and source new data products to avoid their inevitable obsolescence. Today, they're venturing into the world of alternative data as a...

The Tao of Alpha

In 2004 I was running a hedge fund consultancy, where I advised many of the world's leading hedge funds. With this perspective, I wrote an article called The Tao of Alpha. The article offers a unique viewpoint on how alpha was then used and understood. We have transcribed the original article below. The Global Alpha Shortage Even the least sophisticated of investors understand that alpha is something to be pursued. Alpha is good. And more alpha is better. Not surprisingly then, most marketing documents are laced with the word. It slips easily off the tongue of marketers and managers. It appears in conference titles, as in “Portable...

On Data Quality

In conversation with his friend Anton about Quandl’s next phase, my co-founder Abraham was explaining that premium data on our site would be of the highest quality. “Excellent,” Anton replied with a nod. Then, after a moment’s pause he continued somewhat apologetically, “What exactly does that mean?” (more…)

Quandl Phase 2: The Democratization of Commercial Data

Today, 18 months or so since we launched, Quandl offers the world unlimited and unrestricted access to over 10 million time-series datasets. That number grows every day thanks to our small team here in Toronto and thanks to the many users around the world who contribute data to the site every day. (more…)

NASDAQ OMX Global Indexes now available on Quandl

This week NASDAQ OMX became the first major index provider to distribute index data via Quandl. Quandl is now one of NASDAQ OMX’s Elite Index Data Partners, which is fantastic for Quandl users as it gives them complete and unlimited access to NASDAQ OMX’s suite of over 40,000 indexes. (more…)

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