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The Easy Way to Solve Equations in Python

The Easy Way to Solve Equations in Python | Investments | Scoop.it
Simple examples on how you could use python to solve equations using bisection, fixed point iteration, newton's method and the secant method. Includes code examples for download.
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Musings on Markets: Can betas be negative? (and other well used interview questions)

Musings on Markets: Can betas be negative? (and other well used interview questions) | Investments | Scoop.it
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When should you build your own equity risk model? - Quantitative Finance - Stack Exchange

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Programming Tutorials, Codes and Packages - Compendium - Qoppa Investment Society

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Your Gold Teeth | The Big Picture

Your Gold Teeth | The Big Picture | Investments | Scoop.it
We noticed in the last part of August that there was an onslaught of critical pieces in highly regarded media outlets about gold.
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Waiting For Expiration

My sense is that any upside from current levels will be retraced once we finally do get a correction, as sentiment is getting a bit frothy and we are overbought. The days after option expiration tend to be weak so I would not be surprised to see a correction early next week.

 

I want to take a step back and look at the intermediate term picture, making a list of both the positives and negatives:

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The number 1 novice quant mistake | Portfolio Probe | Generate random portfolios. Fund management software by Burns Statistics

The number 1 novice quant mistake | Portfolio Probe | Generate random portfolios. Fund management software by Burns Statistics | Investments | Scoop.it
It is ever so easy to make blunders when doing quantitative finance.  Very popular with novices is to analyze prices rather than returns.
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Why do expected return models and risk models use different factors? - Quantitative Finance - Stack Exchange

Why do expected return models and risk models use different factors? - Quantitative Finance - Stack Exchange | Investments | Scoop.it
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R for Quants, Part I (A)

R for Quants, Part I (A) | Investments | Scoop.it
I’m teaching an R workshop for the Baruch MFE program. This is the first installment of the workshop and focuses on …Continue reading »...
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Backtesting When We Don't Know the Direction of the Expected Effect

Backtesting When We Don't Know the Direction of the Expected Effect | Investments | Scoop.it
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The Gambler/Systematic Trading, from Phil McDonnell : Daily Speculations

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backtesting - What are the key risks to the quantitative strategy development

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Everything You Wanted To Know About Credit Trading But Were Afraid To Ask | ZeroHedge

Via Peter Tchir of TF Market Advisors,Markets have become far less volatile than last year, but many investors remain focused on the Credit Markets for signs and cues as to the next move.  With so many people looking to moves in credit markets and...
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UPSTAIRS V. DOWNSTAIRS DEBATE

The following excerpt is from a live interchange between Tom Baldwin (written about in Jack Schwager's Market Wizards) and Peter Borish (former number 2 man for Paul Tudor Jones).
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