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Questions tagged [momentum]

Momentum is a trading system of buying financial assets that had high returns over the past months and selling those ones had low returns over the same time period.

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How to check if a portfolio has momentum bias

I am wondering what methodology exists to check if a fund/portfolio is having momentum bias or chasing the past performance, assuming you have their full returns and full portfolio holdings for past ...
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120 views

How to calculate monthly momentum strategies J6K6?

I am doing PhD on momentum investment (Jegadeesh and Titman, 1993). My supervisor has some concerns over the momentum strategy that I know. Let me explain my steps in J6K6 momentum strategy, i.e. ...
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Interpreting ACF

I am currently struggling with the interpretation of a price chart and the corresponding ACF graph. The question is, if there is momentum in the price of this asset. This is the corresponding price ...
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234 views

Does predictability in a VAR process imply mean reversion or momentum?

There seems to be some disagreement in the literature about this. Define predicability of a stationary series to be $\sigma^2_{t-1} / \sigma^2_t$ Finding mean reverting portfolios using canonical ...
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1answer
101 views

Crowding in factor investing; Solid metrics

I know this is a bit of a golden goose question as if someone had cracked it they'd be laughing. I'm wondering though, if anyone can point me in the right direction for any hard measures of crowding ...
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59 views

What is a momentum portfolio? How can I create one?

What is a momentum portfolio? How can I create one? How can I test if momentum in one portfolio drives momentum in another portfolio. Any useful references.
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299 views

Approximating Market Making PnL with a Trend Following Strategy

In an interview about the setting up AHL Michael Adams made the following quote (the quote relates to their pre AHL days when they acted as consultants): I think because we we re doing work for ...
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1answer
180 views

Are the causes of momentum uniform for various asset classes?

Is there any theory which is able to unify and/or falsify existing explanations on the causes of asset price/return momentum? The prevailing theory is that behavioral and cognitive biases lead to ...
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124 views

Momentum Analysis on Indices

I'm interested in analysis of day-on-day momentum of certain large indices. In particular, I'm interested in the predictive power of the sign of the price change of the first hour of trading with ...
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79 views

volatility adjustment on momentum

I am trying to figure out what this text means any advice is greatly appreciated. "volatility-adjusted crossover signal where momentum is measured by comparing a short-horizon (45 days) moving ...
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1answer
186 views

Realized variance as predictor that improves momentum strategy

In the paper "Momentum has its moments" (Pedro Barroso and Pedro Santa-Clara, 2012 - available free from Nova Business School), the authors claim that there is a way to avoid momentum crash (caused by ...
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1answer
166 views

implementation of risk managed momentum strategy

I read the paper "Momentum has its moments" (Pedro Barroso and Pedro Santa-Clara, 2012 - available free from Nova Business School), though i didn't fully understand something important, when speaking ...
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1answer
1k views

Calculate Returns of Momentum Strategy (Overlapping Portfolios - Jegadeesh and Titman 1993)

I want to implement a Momentum Strategy, followed by Jegadeesh and Titman (1993) with overlapping Portfolios. I want to duplicate their results. Quick Link to the paper (Unfortunately the Method is ...
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256 views

Momentum strategy cumulation of K-monthly returns over multiple months [duplicate]

In a momentum strategy, every month you form a portfolio of winners. Each of these portfolio you hold for K months. So after K months you sell the 1st portfolio, after K+1 months you sell the next and ...
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1answer
524 views

Interpreting description of a particular (momentum-based) data processing technique

I'm attempting to prepare data in the same manner as section 2 of this paper. I'm finding it a bit of a struggle. Could someone check (/improve upon) my interpretation regarding the 2 sections I have ...
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0answers
788 views

How to calculate monthly Return from a Momentum Strategy with overlapping Holdingperiods?

I replicate a Momentum Strategy from Rey and Schmid (2007) "Feasible momentum strategies" based on the idea from Jegadeesh and Titman (1993). I only buy the single stock with the highest past return ...
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1answer
386 views

Can a momentum strategy be cast as a multilinear regression model?

Disclaimer: the question is similar to Can momentum strategies be quantitative in nature? and (to an extent) What is the expected return I should use for the momentum strategy in MV optimization ...
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182 views

serial correlation, Fama MacBeth (1973) procedure incorporating momentum

I have a question regarding the use of the Fama-MacBeth (1973) procedure on panel data. I am investigating the cross sectional determinants of expected REIT return following the procedure from: Chui, ...
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1answer
1k views

How to implement momentum strategy using R

I am trying to see if momentum strategy has a profitability in a bond market. I have a bond dataset which is a panel data and it is monthly. It looks something like the table below. For each month t, ...
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1answer
787 views

How to compare Sharpe Ratios of different investment strategies (holding periods)

I am doing the momentum analysis and am trying to see, what strategy (based on trading frequency) yields the highest Sharpe ratio for different investment amounts. The trading frequencies I use are ...
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3answers
458 views

Jegadeesh and Titman 1993 Power of their test

I am reading this classic paper(http://www.business.unr.edu/faculty/liuc/files/BADM742/Jegadeesh_Titman_1993.pdf) and got confused by one of their arguments on their overlapping portfolio strategy to ...
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1answer
652 views

Momentum - skipping the most recent month

Many momentum studies skip the most recent month when calculating momentum to account for "reversal effects." On the other hand, I've read online that some people get better results from not skipping ...
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4answers
2k views

Thesis using Momentum strategies in R, tips on good books, guidelines etc on how to do the programming?

I am quite new to R and will be doing an empirical analysis of momentum strategies in R using a dataset from the index OSEAX from 1980 to 2014. The momentum strategy will for the most part resemble ...
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1answer
754 views

Measuring momentum as AR(1) process

I would like to measure the momentum in the price of a stock from the time the market opens until the time I trade each day. I want to use this momentum number in post-trade analysis (regression of ...
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1answer
488 views

Momentum - Statistical Argument

In their seminal paper Jegadeesh and Titman (1993) develop a statistical model to infer where moment comes from. In practice they setup the following: $r_{it}=\mu_i + b_i f_t +e_{it}$ $E(f_t)=E(e_{...
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198 views

According to Lo and MacKinlay (1990), momentum profits can be divided in 3 parts. What do they represent exactly?

At first, Lo and MacKinlay (When are Contrarian Profits Due to Stock Market Overreaction?, 1990) didn't do it for momentum precisely. However,Kyung-In Park and Dongcheol Kim (Sources of Momentum ...
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2answers
4k views

List of momentum indicators

Is there a definite list of momentum indicators? A quick search on Google did not yield much, so I thought to ask this here.
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427 views

Kenneth R. French data base on momentum and size: construction and how to use it concretely with momentum only

So, you can find all the data bases on this site. More explicitly, I would like to take the "Developed Market Factors and Returns" part. Even more explicitly, let us take the "25 Portfolios Formed on ...
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2answers
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How to calculate the JdK RS-Ratio

Anyone have a clue how to calculate the JdK RS-Ratio? Let's say I want to compare the Relative strength for these: EWA iShares MSCI Australia Index Fund EWC iShares MSCI Canada Index Fund EWD ...
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2answers
2k views

The Definition(s) of Momentum

I am currently studying the Momentum strategy and its differences in results (returns) when we change the formula describing momentum. There are indeed no accurate formulas for implementing the ...
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1answer
2k views

Backtesting with fundamentals

Recently I've read some books about quantative approach to fundamental investing: - What works on Wall Street - James O'Shaughnessy - Quantitative Value - Wesley Gray, Tobias Carlisle - Quantitative ...
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Is there evidence that illiquid stocks, held less by institutions, have more price momentum?

(One of) the standard explanation people gave for momentum is under-reaction of stockholders to firm-specific news. If this is true, then it seems that these stocks should have more momentum, and ...