The theory tag has no wiki summary.
48
votes
15answers
4k views
What concepts are the most dangerous ones in quantitative finance work?
There are a few things that form the common canon of education in (quantitative) finance, yet everybody knows they are not exactly true, useful, well-behaved, or empirically supported.
So here is the ...
8
votes
7answers
735 views
Has spectrum analysis ever been used successfully to analyse historical price data?
Spectrum analysis is often used to analyse waveforms. A common configuration, for example, is to create a graph where X is time, Y is frequency, and the brightness of each position represents ...
13
votes
3answers
1k views
Is there any theoretical basis for pattern-recognition strategies?
Mean-reversion and trend-following strategies have some kind of a theory behind them that explains why they might work, if implemented well. Pattern-recognition, on the other hand, seems like nothing ...
2
votes
3answers
276 views
Why should there be an equity risk premium?
After years of mathematical finance I am still not satisfied with the idea of a risk premium in the case of stocks.
I agree that (often) there is a premium for long dated bonds, illiquid bonds or ...