퀀트 스터디노트

【CFA Level 3】W0 : CFA Level 3 Topics & Game Plan

Background To provide some background, I have passed the first two levels of CFA examination in December 2016 and June 2017, respectively, while on the leave from college. Upon grduation, I obtained the qualification to take Level 3, and hence registered for Level 3 scheduled in June 2020. Due to outbreak of COVID-19, however, CFA Institute made a decision to postpone the examination to December..

Study Note/CFA 2020. 7. 26. 09:42

【Copyright】Musicow & K-pop Copyright

Disclosure: I do not possess any financial interest in Musicow, Inc and do not have any financial relationship with the company at the time of writing of this post. I own approximately $200 worth of copyright purchased via Musicow, and I plan on disclosing my stake for transparency. Contents of this post is my opinion and should not be used as the basis for your investment. Copyright Investment ..

Analysis/Copyright Investment & Valuation 2020. 7. 21. 18:54

【LaTex】Mathjax Library (1) :: 한글 ver.

지난 글에선 LaTex 치트시트에 실린 신택스를 티스토리 html환경에서도 사용 가능한지 확인했다. 결과는 대부분 실패. 대안을 찾다보니 LaTex와 유사한 Mathjax Library에 대해 알게되었는데, Stackexchange Discussion이라는 온라인 포럼에서 이에 대한 자세한 글을 찾게되서 공유하고자 한다. Mathjax Working Syntax 1. 우선, html환경 내에 사용된 Mathjax 수식이 궁금하다면, 수식 위에 커서를 두고 > 오른쪽 클릭 > Show Math As > Show TeX hints in MathML 을 클릭하면 된다. 클릭하면 Mathjax 신택스가 적힌 새로운 인터넷 창이 뜬다. 2. 인라인(줄 안에 삽입되는)모드 vs. 디스플레이 모드 "$ $" 인라인모..

Coding/LaTex 2020. 7. 18. 15:17

【Asset Allocation】Diversification

Recap In our first post, we stressed the importance of: 1. Minimizing Loss ($) 2. Minimizing Frequency of Loss 3. Minimizing Volatility To cut to the point, there are three main approaches to achieving these goals: 1. Diversification 2. Asset Allocation 3. Trend Following Strategy 1. Diversification Two Stock Porfolio Let's say, you, investor is only given two options: APPLE stock and cash. APPL..

Study Note/Portfolio Management 2020. 7. 17. 07:29

【Econometrics】Ordinary Least Square (OLS)

The OLS Formula If you choose an option to add a trend line in excel or other programs like Python, SAS or R, they are essentially plotting OLS-dervied coordinates. In this section, I explain in detail what the computer does when it tries to find the line that best fits the data points. The basic idea is very simple. The computer decomposese the actual value of an observation ($Y$) into fitted v..

Study Note/Econometrics 2020. 7. 16. 16:24

【Asset Allocation】Gain-Loss Asymmetry

Gain-Loss Asymmetry Simple arithematic poses two consecutive days with 50% gain and 50% loss, respectively to even out. However, investing runs on a compounding basis. This simple but crucial aspect more often than not exposes investors to so-called "Gain-Loss Asymmetry". This is to say, the percentage gain required to even out the loss is much larger than the percent lost." Proposition 1 Invest..

Study Note/Portfolio Management 2020. 7. 15. 17:11

【Consulting Case】Restaurant (4) : Breakdown by Periods

Recap In the following posts, I will illustrate how the processed data were used for internal analysis, particularly to extrapolate information necessary to set up future operational strategies. 2020/07/14 - [Research & Analysis/Financial Modeling] - 【Consulting Case】Restaurant (3) : Monthly Snapshot 2020/07/13 - [Research & Analysis/Financial Modeling] - 【Consulting Case】Restaurant (2) : Explor..

Analysis/Consulting & Financial Modeling 2020. 7. 14. 16:12

【Consulting Case】Restaurant (3) : Monthly Snapshot

Recap In the last post, I went over how we improved the accounting and financial reporting processes. Then, I used the processed data to visualize the sales trend with breakdown by product groups and products. 2020/07/13 - [Research & Analysis/Financial Modeling] - 【Consulting Case】Restaurant (2) : Exploratory Analysis 2020/07/13 - [Research & Analysis/Financial Modeling] - 【Consulting Case】Rest..

Analysis/Consulting & Financial Modeling 2020. 7. 14. 15:51

【Project Euler】Q1. Multiples

Question 1. If we list all the natural numbers below 10 that are multiples of 3 or 5, we get 3, 5, 6, 9. The sum of these multiples is 23. Find the sum of all the multiples of 3 or 5 below 1000. Answer target = 1000 mult3or5 = [] for i in range(target): while i*3 < target and i*3 not in mult3or5: mult3or5.append(i*3) while i*5 < target and i*5 not in mult3or5: mult3or5.append(i*5) print(sum(mult..

Coding/Python 2020. 7. 14. 12:45