1,227 reputation
41229
bio website karol.piczak.com
location Warsaw, Poland
age 27
visits member for 3 years, 7 months
seen Sep 1 at 9:15

One-liner: Finance/data tinkerer by day, hobbyist composer by night. Academically interested in AI/ML and machine perception (currently working on a PhD in sound classification with machine audition techniques).


Educational background: Master of Finance, now pursuing a PhD in Computer Science (audio data analysis, signal processing, music recommender systems, MIR etc.).

Professional interests:

  • Quantitative finance
  • Financial markets

Academic interests:

  • Machine perception, audio data analysis, music recommender systems, MIR, signal processing and identification, audio mining
  • Artificial intelligence, machine learning, data mining, statistical analysis

Personal interests:

  • Music composition and sound design
  • Foreign languages
  • Fantasy books

My business card: karol.piczak.com

My web presence: karol.dvl.pl


Sep
29
awarded  Popular Question
Sep
10
awarded  Tag Editor
Sep
10
revised modern-portfolio-theory wiki excerpt
added 100 characters in body
Sep
10
revised modern-portfolio-theory wiki description
added 1033 characters in body
Sep
10
suggested suggested edit on modern-portfolio-theory tag wiki
Sep
10
suggested suggested edit on modern-portfolio-theory tag wiki excerpt
Sep
10
wiki created modern-portfolio-theory description
Sep
10
wiki created modern-portfolio-theory excerpt
Sep
9
revised Arbitraging OANDA continuous rollover vs other brokers' discrete rollover
Removed greeting, changed arb to full form for search visibility
Sep
9
awarded  Analytical
Sep
7
awarded  Nice Question
Aug
23
comment What kind of specialized hardware is used in trading?
From my understanding Dmitri asks what kind of hardware is used in professional trading apart from commodity servers/workstations.
Aug
16
awarded  Fanatic
Aug
11
awarded  Vox Populi
Jul
1
comment Comparing backtesting returns with real trading returns
Cross posting your question that fast is generally not considered good taste. Please wait at least a couple of days before reposting on another site.
Jun
5
comment Debunking risk premium via “hedging” argument? (or why even in the real world $\mu$ should equal $r$)
Maybe I'm missing some point here, but I'm not sure how you're able to "squeeze out" the risk premium by using the proposed construct. Could you elaborate a bit?
Jun
5
revised What API methods are there to determine a company's market cap?
We try to avoid using greetings etc. in the question text
Jun
5
revised Is duration additive? $C_{newDur}=A_{fundDur}w_{a} + B_{fundDur}w_{b}$?
Spelling
Jun
5
answered Is duration additive? $C_{newDur}=A_{fundDur}w_{a} + B_{fundDur}w_{b}$?
Jun
3
revised How do I estimate the joint probability of stock B moving, if stock A moves?
We try to avoid using greetings, signatures etc.