Questions tagged [performance]

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82 votes
9 answers
39k views

Efficiently storing real-time intraday data in an application agnostic way

What would be the best approach to handle real-time intraday data storage? For personal research I've always imported from flat files only into memory (historical EOD), so I don't have much ...
Karol J. Piczak's user avatar
22 votes
3 answers
2k views

How can an ETF outperform its benchmark index?

Deutsche Bank’s ETF platform, db X-trackers, provides a rather remarkable ETF tracking Euro Stoxx 50 (which is the most widely used regional blue-chip index in Europe). What makes it remarkable is ...
olaker's user avatar
  • 5,070
21 votes
6 answers
29k views

How high of a Sharpe ratio is implausibly high for a low-frequency equity strategy?

I am looking to convince someone that an annualized Sharpe Ratio of 7 is 'extremely high' for a low frequency (daily rebalancing, say) long-short technical strategy on U.S. equities. I was hoping for ...
shabbychef's user avatar
  • 2,836
21 votes
3 answers
9k views

How to combine multiple trading algorithms?

Is it possible to combine different algorithms so as to improve trading performance? In particular, I have read that social media sentiment tracking, digital signal processing and neural networks all ...
siamii's user avatar
  • 747
20 votes
2 answers
1k views

How do you correct Max Draw-Down for auto-correlation?

When returns are auto-correlated, calculating a Sharpe ratio := $\frac {mean(x)}{\sqrt{var(x)}}$, (where $x$ are the returns) is complicated, but basically solved (see, e.g. Lo (2005)). Without the ...
Paul H. Lasky's user avatar
14 votes
2 answers
1k views

What are some computational bottlenecks that quants face? [closed]

What are the current computational (non-network) bottlenecks now in a quant's workflow? What computational tasks would be revolutionary with a 10-100x improvement in performance using general purpose ...
Chad Brewbaker's user avatar
12 votes
2 answers
1k views

How to compute performance attribution between daily rebalanced strategies?

I have a daily rebalanced portfolio of several strategies. After one month, I now want to attribute the performance to the different strategies. There are several ways to do it. For instance one ...
RockScience's user avatar
  • 2,003
11 votes
5 answers
14k views

Calculate Average Price, Cost, (Un)Realized P&L of a position based on executed trades

We have built an algorithmic trading software and need to calculate the following parameters for each position in our portfolio. Average Price Cost Realized Profit & Loss Unrealized Profit & ...
Andy Flury's user avatar
10 votes
1 answer
2k views

What is the average Sharpe ratio of volatility arbitrage funds?

Where can I get data on performance metrics for volatility arbitrage funds? I am trying to compare the Sharpe ratio of my strategy to those of the major players.
Alan's user avatar
  • 101
4 votes
1 answer
564 views

How to compute daily compounded backtest returns closer to real-world results?

I often run quick tests of trading strategies in my analytics suites by: multiplying a vector of signal (lagged, {-1,0,1}) with a time series of daily percentage returns doing a cumulative product of ...
Air's user avatar
  • 126
4 votes
2 answers
355 views

Brinson attribution for arbitrary set of style factors (size, momentum, vol, etc)

I'm looking to do a Brinson performance attribution on a portfolio of stocks where instead of decomposing the returns in terms of sectors we use factors instead. Basically, I want to do what Style ...
spence.j.moran's user avatar
3 votes
2 answers
470 views

Can alpha be positive if cumulative returns underperform the benchmark?

According to my portfolio analysis program (pyfolio), the alpha of the following strategy is .17 (I am assuming 17%). [Based on pyfolio documentation, alpha here is the "annualized alpha".] ...
nijshar28's user avatar
3 votes
2 answers
5k views

Ex-Ante Tracking Error : active strategies and the size of the covariance matrix

The most common formula for the ex-ante tracking error is $\sqrt{w^{T}Cw}$, where $w$ is a vector of excess weights relative to the benchmark and $C$ a forecast of covariance matrix. The sums of both $...
user1627466's user avatar
3 votes
1 answer
123 views

Regression based performance attribution with dummy variables

I am following some work to do with a regression based performance attribution. The regression is a cross sectional one. The $y$ vector is the risk free return for say 1,000 companies. The $X$ matrix ...
mHelpMe's user avatar
  • 259
3 votes
1 answer
257 views

desk's performance

I need your point of view in evaluating the monthly performance of a desk. I have the daily credit risk capital requirement (A); the net banking income or GNP (B). What is the best measure of the ...
joe bar's user avatar
  • 31
2 votes
3 answers
2k views

Cross Currency Swap Attribution

Can you please recommend a paper/book that discusses the attribution of the mark to market of a cross currency swap (rates, basis, fx, etc.)?
Omar Kuri's user avatar
2 votes
2 answers
606 views

Sharpe ratio: discrete or continuous returns?

The Sharpe ratio is known as $$SR=\frac{\mu-r_f}{\sigma}$$ Are these values calculated from discrete or continuously compounded returns?
emcor's user avatar
  • 5,795
2 votes
1 answer
96 views

How to calculate performance of a private equity investment?

Say an investment fund puts \$1 million into private equity investment in 3 installments (\$500k, \$250k, \$250k). You're given a data table which shows the date, contributions (\$500k, \$250k, \$...
AG10's user avatar
  • 21
2 votes
1 answer
59 views

Composite portfolio performance

I'm trying to calculate the combined performance of two portfolios, but keep getting a nonsensical result. I have a Fixed Income & Equity portfolio and the GIPS quarterly performance number from ...
Raghu Ramachandran's user avatar
2 votes
1 answer
250 views

Out-of-sample performance

I got a problem when calculating the out-of-sample performance of my model. I have the following settings: I have daily data. I use a rolling window of 1 week. I use the previous six months of data ...
J. Johanson's user avatar
2 votes
3 answers
290 views

Industry convention to track trading performance against market indices?

I come from a programming background and not am no quant by career so this is probably a newbie question for you guys. I have written some code to pull daily closing values for market indices (DOW/...
Code Monkey's user avatar
2 votes
3 answers
1k views

How to annualize dividends paid at varying intervals?

I am attempting to write a function that will calculate the annualized rate of return for individual dividends made by illiquid investments. These dividends are paid at varying intervals and the ...
w00tw00t111's user avatar
2 votes
2 answers
421 views

Multi Period Return Table

For performance presentation a multi period (or multi horizon) table is needed. What I mean is a table showing the trailing month, quarter, YTD, and other sub periods up to since inception. So I ...
Juan Mier's user avatar
1 vote
2 answers
211 views

best way to calculate the return

Suppose that you want to calculate the single period return. Let p0 be the initial price and p1 be the final price over the ...
HaroldFinch's user avatar
1 vote
1 answer
332 views

British hedge/mutual funds performance comparison website [closed]

Imagine a British investor with $10-100k in her pocket. She wants to see the previous performance of various British and overseas funds to choose the one to invest. And she wants to filter out the ...
QAZ's user avatar
  • 35
1 vote
1 answer
2k views

How to calculate standard deviation cone around expected returns?

I would like to evaluate the returns of an investment manager who has given me their return and volatility expectations for their fund. I would like to calculate both 1 and 2 standard deviations from ...
Joe's user avatar
  • 13
1 vote
1 answer
324 views

How to calculate Sharpe Ratio if there are gaps in returns?

I see a lot of examples, like "We hold long position during whole year, then we calculate daily sharpe ratio and multiply it by SQRT(252) to get the annual one". This example makes sense for me. ...
Dr.Khu's user avatar
  • 113
1 vote
2 answers
678 views

Ways to calculate daily returns

A complete rookie here. I'm currently reading Ernie Chan's 'Algorithmic Trading' and trying to recreate his results with quantstrat in R. Everything seems to be fine except for portfolio return ...
Vyacheslav Zotov's user avatar
1 vote
0 answers
69 views

Forward returns measurment?

Is there a common approach to measure how a forward contract is performing? Here's what I'm thinking, each day you would price your forward with the next formula. $$ F_t = S_0 e^{-r_f T}-Ke^{-r T} = (...
Aldo Shumway's user avatar
1 vote
0 answers
32 views

Statistical testing of out-of-time portfolio performance (measured via a custom metric)

I'm testing (out-of-time) my machine learning (ML) based strategy against a strong benchmark. As a performance metric, I'm using a custom rolling metric $M(t)$ which takes into account the portfolio ...
BGa's user avatar
  • 169
1 vote
0 answers
294 views

Fast Monte Carlo of Local Volatility Model

I want to compute option prices via a Monte Carlo simulation. The model implemented is a Markov process, following the SDE : d X_t = alpha * dt + beta^(1/2) * d W_t ...
Jordi Lecoch's user avatar
1 vote
0 answers
2k views

Portfolio Performance Attribution Using Carino Smoothing

I'm trying to conduct portfolio performance attribution using Carino smoothing, but it seems that the active returns do not match and I don't know why. Here is the example I use: \begin{array} {|r|r|r|...
March's user avatar
  • 11
1 vote
0 answers
41 views

How to calculate interaction effect for my Performance Attribution?

I calculate the selection and allocation effect, i don't get my alpha yet, I think with the interaction effect I'd solve the problem. Can you help me with the selection effect method?
j_ortega's user avatar
1 vote
0 answers
285 views

Problems with Performance Attribution Analysis

I am using the typical Brinson Model formula, but it doesn´t work, I think that is explained because of the compound effect and rebalancing... when I look my portfolio's YTD return and multiply by the ...
j_ortega's user avatar
1 vote
0 answers
72 views

Why can't I take the Value at Risk "VaR" as a a risk objective in PerformanceAnalytics? (it does work for "ES)

I am currently playing around with PortfolioAnalytics package in R and some data and I am aiming to create different portfolios with different VaR. However, I am struggling first of all, add.objective(...
brko's user avatar
  • 11
1 vote
0 answers
30 views

Indian Securities Sector and Industry performance history data [closed]

I am looking for data of Indian Industries and Sector's performance historical data for each and every date for over the last 10 years period of time. If it is not available, Could I get every month-...
Smith Dwayne's user avatar
1 vote
0 answers
394 views

Contribution to Return - from security to portfolio

I have the Contribution to Return (CTR) of all securities in a portfolio for a number of days. I would like to compute the portfolio and securities total return over this period. The total return of ...
Maxime's user avatar
  • 319
1 vote
0 answers
22 views

Research on the performance of listed subsidiaries

Some countries (India, Pakistan, Nigeria, among others) seem to force multinational corporations that do business there to list the local operation on the national stock exchange and to let public ...
Candamir's user avatar
  • 211
1 vote
2 answers
2k views

Forex P&l Attribution on Physical Forward position

Please validate my unrealized Fx P&L calculation on the commodity forward contract e.g. consider i have bought 1 MT of wheat at 300 EURO my financial currency for company is USD. I am using below ...
user1131338's user avatar
0 votes
4 answers
2k views

Multi-Period Contribution

I've read multiple research papers but can't find a good answer as to why multi-period contributions don't add up to the returns of a portfolio. I understand that arithmetic sums miss the compounding ...
QFqs's user avatar
  • 115
0 votes
1 answer
448 views

Difference between Sharpe Ratio and Information Ratio when measuring Hedge Fund performance?

Here is an unpublished excerpt from Professor X: "Since Sharpe ratio uses standard deviation as a measure of risk, it assumes normal distribution of the underlying returns and it would therefore not ...
Maria Efremova's user avatar
0 votes
1 answer
527 views

Performance attribution for personal portfolio - weight attribution

i am building a platform for portfolio analytics, part of which is a performance attribution module. Given that most individual portfolio's can never have the same number of stocks as say, a mutual ...
Vikram Murthy's user avatar
0 votes
0 answers
799 views

Modern Linking Algorithm for Multi Period Performance Attribution

I'm looking for a modern description of the linking algorithms used in industry arithmetic performance attribution across multiple periods. Since the sum of the active return components in arithmetic ...
user134788's user avatar
0 votes
0 answers
26 views

Error distribution algorithms in performance attribution

Are there any known & generally accepted methods of scaling each return in a period such that the total cumulative return equals a more desired amount? For example, 0.5 and 0.3 have a total ...
user134788's user avatar
0 votes
0 answers
45 views

How to compare performance of a German stock

How would you compare the performance of a German stock listed in DAX? I heard many use Euro Stoxx 50. But wouldn’t be the obvious choice to use the DAX? Also, would you use DAX INDEX or DAX FUTURES?
Diamir's user avatar
  • 109
-4 votes
1 answer
256 views

Sharpe Ratio of a Long-Short Portfolio

I have a portfolio High and Low (according to the highest profit). From this I have formed my long short portfolio and calculated my Sharpe Ratio. How to interpret this correctly? Does a positive ...
Michael123's user avatar