0
votes
1answer
99 views

How to get list of large intraday movers for that day?

Is there a source (preferably free :) that provides a list of large intraday (versus pre market) movers for the day you look? I don't mind getting the list on market close. I don't need historical ...
2
votes
0answers
36 views

Future value of the debt under Merton model

The author Malz states the future value of the firm's debt under the Merton model can be found from: $$ D_{t} = D - \max(D - A_{t} , 0) $$ (where $D$ is the par value of the debt, $A_{t}$ is the ...
0
votes
0answers
44 views

Value at risk computation for a diffusion process

Given a hypothetical process $X_{t}$ defined by : $$ X_{t} = \int_0^t b_{s} ds + \int_0^t W_{s} ds + \sum_{i=1}^{N_{t}} \gamma_{T_{i}} Y_{i}$$ $ W_{t}$ is a standard brownian motion, $b_{t} ...
0
votes
0answers
571 views

How to think about dollar volume in Eurodollar futures?

This is a very basic question: Computing the notional volume for futures contracts usually consists of something like: $$V_F = N \cdot P \cdot M \cdot FX$$ Where $V_F$ is the dollar volume of the ...
0
votes
0answers
65 views

Why does graphic of log first difference of renminbi look similar to hkd?

This is CNY to US$: This is HKD to US$: Below are the log of the first difference of both graphs above: You can see that apparent similarity on the middle of graph. I thought that they were ...
3
votes
1answer
86 views

How to get Correlation using Options data?

I can calculate the "Implied Beta" using implied volatility for the option stock, and implied volatility for the market (VIX). Is there any way to calculate also the correlation without performing a ...
6
votes
1answer
166 views

High frequency trading and trading costs

What kind of deals do high frequency traders have with brokers or exchanges regarding commissions for stock trading? For an individual, it is nowadays possible to get to as low as 10 basis points per ...
0
votes
2answers
841 views

Orderbook Arbitrage

The order-books of trading exchanges are often hidden as so-called "Dark Pools". The measure was taken to avoid apparent market manipulation strategies executed by traders back then. Which such ...
1
vote
1answer
100 views

Is Value-at-Risk translation invariant?

Let: $X=V_1-V_0R_0$ where $R_0$ is the interest rate. Then, is it so that this risk measure is Translation Invariant as: ...
0
votes
1answer
57 views

What are “risk” or “risk numbers?”

I work in finance but do not have any formal education in the subject (I do have a PhD, but not in finance). I've picked up a lot of the jargon but there's one thing that I haven't figured out, and it ...
13
votes
7answers
4k views

What C++ math libraries are typically used by quants?

Before you mark question as off-topic, please read it - it is, actually, quant-related. Basically, I'm working on an app that spits out a lot of C++ math. When it comes to simple things like ...
2
votes
2answers
81 views

Where can I find the most reliable historical fundamental data for US Equities

I've looked at several sources including Bloomberg, Zacks and Cap IQ. Many times, they don't update their data with the revisions. I'm looking for Income Statement and Balance Sheet data going back to ...
0
votes
0answers
29 views

Is NYSE Arca an exchange or an ECN?

the US Equities / stocks market seems to be the very complicated one. And I'm trying to understand what market participants it consists of, what their roles and functions are. Also, what I'm trying to ...
3
votes
6answers
216 views

Intuitively speaking, why do at the money options have no volga/convexity?

I was wondering if someone could give me an intuitive explanation as to why the vega of at the money options doesn't increase with volatility. I've seen some mathematical explanations showing the ...
0
votes
1answer
50 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. ...
2
votes
1answer
50 views

simulation and timestep

Suppose I have a stochastic process i.e. a Vasicek process with parameteres estimated with monthly (RW measure) data and want simulate the process using a daily timestep. Is this a good practice?
1
vote
0answers
95 views

Heston model - Andersen scheme implementation

I would like to implement Andersen scheme for Heston simulation. On the following snipped is my code for generating asset path: ...
0
votes
0answers
76 views

Large deviations theory and extreme value theory

I'll enter into details of both, sooner or later, but for the moment I'm concerned about the differences (and relationships, if any) between these two theories. Can someone give me a brief, but still ...
1
vote
0answers
31 views

HJM model, existence of arbitrage:

The Setup: Suppose I know the yield curve of a Bond satisfies: f (0, t) = 0.04 for t ≥ 0 and f (ω, 1, t) = 0.06, t ≥ 1, ω = ω 1 , 0.02, t ≥ 1, ω = ω 2 , where Ω = {ω 1 , ω 2 } with P[ω i ] > 0, i = ...
1
vote
0answers
36 views

References about market neutral portfolios that isolate unsystematic risk

I am looking for references, information, backtests etc. about market neutral portfolios that go long the index and short stocks of that index with high unsystematic (idiosyncratic) risk. The idea is ...
7
votes
2answers
9k views

How to numerically obtain delta?

The delta in option pricing, also called the hedge ratio, is expressed as the sensitivity of the option price to the underlying price change. The analytical solution for the most common option ...
1
vote
0answers
55 views

How to fit exogenous + GARCH Model In Python?

I am studying a textbook of statistics / econometrics, using Python for my computational needs. I have encountered GARCH models and my understanding is that this is a commonly used model. In an ...
0
votes
0answers
22 views

self financing property vs. unlimited borrowing

How the self financing property of a portfolio should be understood in the problems where the unlimited access to the borrowing is assumed?
0
votes
0answers
28 views

Listed Equity Options - Should the expected future payoff be discounted?

Just wondering, given daily margining of exchange traded futures/options (e.g. Eurostoxx 50), basically any difference in the risk neutral expected future payoff that is refelcted in the daily price ...
2
votes
3answers
70 views

How would I exploit arbitrage if risk-neutral pricing doesn't hold? (Option Pricing)

We are just learning about binomial option pricing, and how the up-factor and the down-factor must match the risk-neutral price. p * u + (1 - p) * d = continuous risk free rate compounded CRR ...
1
vote
1answer
43 views

Purpose of ISOs

Why was ISO (Intermarket Sweep Order) introduced? I read that it was introduced to help fill large orders. Some explanation is here: ...
8
votes
3answers
336 views

Why is there a stong intraday-correlation between spot and vol?

Fig.1 shows an intraday scatterplot of the DAX future against its volatility index VDAX on 6-Jan-2016. The data suggest a strong negative correlation between the two. There are various models ...
-1
votes
1answer
21 views

Technical indicator MACD - Does the D stands for the Math divergence? [closed]

Does the divergence from MACD is the same well known from Math? What is the connection? Thanks,
33
votes
7answers
6k views

Is R being replaced by Python at quant desks?

I know the title sounds a little extreme but I wonder whether R is phased out by a lot of quant desks at sell side banks as well as hedge funds in favor of Python. I get the impression that with ...
0
votes
0answers
31 views

Portfolio Analytic Metrics for Portfolios with Serially Correlated Returns

I just read Andrew Lo's paper from 2002 "The Statistics of Sharpe Ratios" and am wondering if anyone knows of any other papers/docs/resources that explore the impact of serially correlated returns on ...
0
votes
0answers
30 views

Could VVIX and HYspread combined make for a SPX trade signal?

assumption 1: if there is no excess liquidity, then prices of equities cannot rise assumption 2: if there is "sufficient" excess liquidity, then whether prices of equities rise, stay put, fall depends ...
0
votes
0answers
27 views

Silvio Gesell's theory of value of money can it work?

Silvio Gesell was an economist. The scope of science of economy is the value of money. His theory is basically there is one source of money and one sink, source and sink is the same. Thus the value of ...
1
vote
1answer
61 views

Binomial tree notation

Can someone clarify for me the notation of the nodes in a binomial tree with more than 1 step? Is this notation correct?
0
votes
0answers
44 views

Macroeconomic forecasting

During the last year I was working on developing several forecasting models which I was checking mainly in energy markets. They are based on regression, autocorrelation and also machine learning ...
1
vote
1answer
43 views

Bid and Ask Data for european stocks

I am working on something to analyze European stocks and I need some historical data on bid and ask prices. Ideally I would like something like CRSP database for US stocks. Is there some similar ...
0
votes
0answers
17 views

Single better parameter to explain ETF's comparison graph: Sharpe or IR?

For single comparison graph depicting price over time: SPY VS US some Sector ETF VS Momentum ETF on that sector, What would be the best single param to put? Sharpe ratio of each Information ratio ...
7
votes
7answers
752 views

Proof that no trading system always wins

I am pondering on the existence/impossibility of a trading system (or algorithm) that ALWAYS ends up winning money, no matter how the price of a futures moves. In a context where one can go long or ...
1
vote
2answers
259 views

Barrier option : Monte carlo simulation

I am trying to price a Down-and-Out Call using Monte Carlo simulation. The problem is that I get the right price for the vanilla option (same price as the analytic formula of Black and Scholes) but I ...
5
votes
2answers
98 views

Calculating probability of Yuan's slump from options market

http://www.bloomberg.com/news/articles/2016-01-06/if-options-traders-are-right-the-yuan-s-slump-is-far-from-over Contract prices indicate a 79 percent probability that the currency will weaken ...
1
vote
0answers
27 views

Change in portfolio when IPO announced

I'm wondering whether there would be a change to my answer of the change in portfolio when there is a new stock introduced. My investment strategy is to maximise expected return such that my standard ...
0
votes
0answers
38 views

How to form Decile Portfolios based on Liquidity measure with missing data in R

I have a dataframe with over 4000 companies data (as column) and have calculted their daily Quoted spread measure ( measures liquidity for each stock) for 15 years. And then from the daily have ...
6
votes
5answers
2k views

Fastest solver possible for portfolio optimization

I am using quadprog in MATLAB for very simple mean-variance optimization, with less than 100 assets. It is quite fast but if I run a strategy with daily ...
5
votes
5answers
486 views

Does an implied volatility always exist for a binary option?

I'm trying to compute the implied volatility of a binary option but I cannot get some of the strikes to reach a convergent solution using either a Monte Carlo pricing model or an analytical Black ...
0
votes
0answers
66 views

Binary option greeks formula for american style exercise

I got Binary option greeks formula in many below links but if i am not wrong indirectly they all are related to European exercise style. Link1: ...
0
votes
0answers
41 views

Observing bid-ask bounce in high frequency stock data

I have a series of 1-minute return data for an unnamed stock, a sample is provided below, in order: ...
-1
votes
1answer
73 views

Why does the Sharpe ratio not change when the strategy is leveraged?

It has been correctly stated that the Sharpe ratio of a strategy does not change when it is leveraged. I understand Eric's point that leveraging by $n$ multiplies both the return $x$ and volatility ...
2
votes
2answers
82 views

Does anyone know where I can find a free efficient frontier tool, or an informative and legitamate/academic graph of the efficient frontier?

I'd like to build a portfolio based upon modern portfolio theory and I'd like to find a tool I can use to calculate the proper mix of asset classes. Can anyone help with this? I think a good ...
3
votes
4answers
184 views

Model Price vs Market Price in terms of Fair Price (Options)

Before I start: Ok, this is something I investigated for a fair amount of time and my question is semi-academic. To simplify, I will introduce the short bit (TLDR) of my question and then lay out ...
2
votes
1answer
75 views

Option analysis

Assume zero dividend and that the strike price for a European call option on a stock at a fixed maturity T and strike price K is given by C(K).Suppose that $C(K)=e^{-k}$ for all $K\geq 0$ ,then, I ...
8
votes
3answers
1k views

Sharpe ratio and leverage

Does leverage affect the Sharpe ratio? If my Sharpe is 2 at no leverage goes it change, fall by half say, at no leverage?

15 30 50 per page