Papers and Matlab Files

Matlab has been really fun to learn so far. It's easy to write useful code with very few lines. In…

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3 Min Read

QQQQ Intraday Data

Here's one day of intraday ticks and quotes for Qs: Trades. Quotes.

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0 Min Read

Conceptualizing Learning Error

When you are trying to find the correct equation to model and predict financial data, you will always have some…

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5 Min Read

Risk-taking

I'm reading The Poker Face of Wall Street by Aaron Brown. The first half has been very good so I'll…

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5 Min Read

Probability of Ruin

Catalan Numbers are an interesting way of modeling the probability of ruin.Specifically, Catalan Numbers help find the probability that a…

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4 Min Read

IB Olympiad System Outline: v.2

I previously posted a system outline and before that a trading plan for Interactive Brokers' Collegiate Olympiad. The criticism I…

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10 Min Read

SKF: Inverse Construction and Volatility

I previously explained why market returns should be lognormally distributed with positive daily expectation (not continuous). However, imagine a security…

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8 Min Read

India Trip

I've been in Mumbai since January 3rd and I'm leaving on the 16th. If anyone is interested in meeting for…

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0 Min Read

House Hearing on Hedge Funds

http://video.aol.com/video-detail/house-oversight-cmte-hearing-on-turmoil-in-the-financial-markets/1389143189/?icid=VIDLRVGOV04The politicians love their ambiguously applicable metaphors.

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0 Min Read

Information Theory Betting

The following is a very interesting problem copied from p.132 of "Elements of Information Theory" by Cover and Thomas. I've…

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6 Min Read