4
votes
1answer
70 views

Expectation of maximum draw down in the Brownian motion case

Let $$ X_t = \mu t + \sigma B_t $$ be a linear Brownian motion with drift. Let $$ S_t = \max(X_u, u \le t) $$ denote the process of the running max, then the draw down is given by $$ DD_t = S_t - ...
1
vote
2answers
48 views

Book recommendation for credit risk management for banking

What is a good beginner book on the topic of Credit Risk management for banking? I am a credit risk systems developer and most of my knowledge is in IT systems and programs that support the credit ...
6
votes
1answer
120 views

New ways of communicating risk

One of the scapegoats of the financial crisis was value at risk. Still communicating risks effectively to clients is a big challenge and hugely important (also to keep your job as a quant!) In this ...
0
votes
0answers
25 views

comparison of speech signal processing and financial data

I have read that in speech signal processing analysis when voice is segmented in brief temporary segments the series segments transitions from being non stationary to stationary. My question is if ...
0
votes
0answers
38 views

Binomial function use in Bezier smoothing

I am using the Bezier method to smooth option volatility curves, which utilised the binomial distribution. Is someone able to clearly explain the interpretation of the binomial distribution in the ...
0
votes
0answers
21 views

Hypothetical actuary working with a life company

If you are an actuary with a life company, how would you show that your capital assessment complies with the rules of Solvency II (or related regulations) that stipulate the minimum of capital that ...
2
votes
1answer
81 views

Is spoofing financially risky?

It's alleged that Navinder Singh Sarao contributed to the flash crash by placing huge, fake, order for S&P Minis. Mr. Singh Sarao then cancelled the huge orders before they were filled. The ...
0
votes
1answer
39 views

Looking for paper: “Simulation and calibration of the HJM model” by Andersen

I've Googled for the paper and found this site but it's down (at the moment). Note, this is not a quest for a free copy (or we wouldn't allow it :), the paper is also nowhere to find for a fee. A guy ...
2
votes
0answers
41 views

Time between end of use of ticker symbol by one company and beginning of use by another?

I have a CRSP stock dataset that goes up to december 2013. I'm trying to append yahoo finance data to it in order to bring it up to the current day. However, there are ticker symbols that once ...
3
votes
0answers
160 views

Discrete Trading to reduce speculation

I recently read a paper by Terje Lensberg (2014) "Costs and benefits of financial regulation: Short-selling bans and transaction taxes" where he analyzed the effects of financial regulation (short ...
1
vote
2answers
117 views

Kalman filtering

Is it possible to the extract the latent factor f from the following equations using kalman smoothing? f is the unobserved state value while z is observed series. From the literature i could read ...
1
vote
0answers
30 views

What is the most efficient way to periodically download all new 10-K filings from SEC's EDGAR?

I found this website which uses a perl script to download all the filings. It states: "There are 200K+ 10-K (and equivalent) filings, which will take considerable harddisk space and time to download. ...
3
votes
6answers
291 views

Why the expected return rate of a stock has nothing to do with its option price?

OK, I admit that this is a frequently asked question. But I couldn't find a satisfying answer after I read the explanations of books, went through the derivations of B-S formula, and searched answers ...
1
vote
3answers
98 views

The Law of One Price in a discrete model

The following question assumes familiarity with the discrete model described in chapter 5 of Steven Roman's "Introduction to the Mathematics of Finance", 2nd edition, Springer 2012. I will not ...
1
vote
0answers
62 views

forecasting trading costs with end of day data

I am trying to create a model that forecasts trading costs (using end of day data, so no intra day data). My trading cost (also called Implemented Shortfall (IS) is defined as such for a single stock, ...
0
votes
0answers
37 views

Creating correlated Brownian motions from independent ones

This is the exercise from book "Stochastic Calculate for Finance Volume 2", Page 199. Let $(W_{1}(t),...,W_{d}(t))$ be a d-dimensional Brownian motion. $(\sigma_{ij}(t))_{m\times d}$ be an ...
4
votes
1answer
78 views

(Re) normalisation of random variable in Monte-Carlo simulations

I have a very simple model (CIR) with a very simple discretisation scheme (Euler) and I use it to do Monte-Carlo Simulations. It is working. Someone insisted that renormalization of my random ...
-1
votes
2answers
54 views

Why aren't there any single owner companies over a billion dollars? [closed]

The biggest companies have multiple owners which dilute the authority and finances of the company. They are either publicly traded companies via selling shares through stock markets, or privatly owned ...
0
votes
1answer
42 views

Good book about replicating portfolios

I want to know if anybody can suggest me a good textbook which explains in detail and in an understandable way how to create replicating portfolios of financial instruments like options "cash or ...
3
votes
0answers
39 views

Clarification of Saturation-Reset Regimes

I have worked my way through this article, waiting to get into school I have been self-learning a bit. I have a good grasp on most of the article, but the component strategy of Saturation and Reset ...
1
vote
1answer
68 views

Calculate CVaR for a portfolio

I would like to calculate the Conditional Value at Risk for a portfolio. To be honest, I'm trying for a few days to find an example to calculate for an entire portfolio, not just for one security and ...
2
votes
2answers
93 views

Braess's paradox in quantitative finance: When optionality leads to lower value…?

One of the standard tenets of quantitative finance is that options should have an intrinsic value because optionality as such (in the sense of having more choices) should bring about value. This ...
1
vote
0answers
39 views

Confused on interpretation of betas/alphas in regression in finance

I ran a regression on two stocks. I don't have the data in front of me, but it is a more conceptual question. Let's say SP500 returned a total 23% return over this time period and MSFT returned ...
1
vote
3answers
71 views

How to differentiate a brownian motion?

By definition a wiener process cannot be differentiated. But when we use Ito's lemma on F = X^2, where X is wiener process we have total change in ...
1
vote
1answer
31 views

Stock price is a martingale if the riskless interest rate is zero?

I came across a question as such: Suppose company IBC is trading at \$75 per share. What does it cost to construct a derivative security that pays exactly one dollar when IBC hits $100 for the ...
0
votes
1answer
51 views

Binomial tree vs trinomial tree in pricing options

Very new to pricing models. Is there a general guideline when to use binomial tree and when trinomial tree is preferred? As far as I know, unlike binomial tree, trinomial tree only gives a range ...
6
votes
0answers
84 views

Quantum Mechanics and Economics… What

I was reading this paper: http://papers.ssrn.com/sol3/papers.cfm?abstract_id=2002698&download=yes The author has the model presented here: ...
2
votes
2answers
135 views

Transforming Variables in Regression

I have a very simple problem that hopefully someone could help me with or at least point me in the right direction. I am testing to see which factors affect index returns the most and would like to ...
0
votes
0answers
10 views

use of recurrence quantification analysis for deterministic signal identification and classification

The recurrence quantification analysis (RQA) is a method of nonlinear data analysis which quantifies the number and duration of recurrences of a dynamical system presented by its state space ...
-1
votes
0answers
23 views

building a portfolio without knowing the initial capital

Lets say I have the trades made by trader X on multiple stocks and I want to aggregate them into a portfolio to compute the portfolio return over time. For instance, I know that X bought 10 shares of ...
0
votes
1answer
69 views

IbPy download historical price data

How can i download historical price data from interactive brokers using IbPy and python?
-1
votes
0answers
35 views

API for paper trading service

I have recently created an HFT algorithm and before attaching it to a real trading service I would like to test with paper money. The API for the paper trading would need to be compatible with C++ and ...
0
votes
1answer
23 views

A problem involving random walks from Shreve

Problem 5.4i in Shreve examines a symmetric random walk. Let $\tau_2 $ be the first time that the random walk reaches 2. For $\alpha\in (0, 1) $, we are given that $$E [\alpha ^ {\tau_2}] =\sum_{k = ...
-1
votes
0answers
14 views

Calculate herfindahl of pcs

I would like to calculate the herfindahl of principal components of a cap weighted portfolio. Not sure how to do that if anyone could provide some guidance that would be great. Thanks for your help
-1
votes
0answers
28 views

RESTful trading API

Looking for providers or software layers of a RESTful trading api. I would like to read option chain data (amongst other things), do some calculations server side, and send orders back to the broker ...
-2
votes
1answer
30 views

Finding historical data monthly data [duplicate]

Where can I find historical data for WTI Price, gold price, CRB index for my research work? Is there any website from where I can download these data?
2
votes
2answers
165 views

Is implied volatility flawed?

Was going through how Implied Volatility is used by option traders and in delta hedging. Correct me if I am wrong, doesn't IV consider a standard deviation of the stock price over say the past 1 year? ...
2
votes
0answers
29 views

How to calibrate volatility surface for Interest Rate Cap&Floor pricing

I'm using Black model to do interest rate Cap & Floor pricing. The volatility is determined by using the bootstrapping methodology. However, afterwards, how should I do the calibration, or ...
1
vote
1answer
33 views

Discount Curve built-up

For a particular currency, let's say for USD, I'd like to know how to construct a discount curve? I've an impression that one professor told me that for USD, less than 3 months, it's using Libor ...
0
votes
0answers
8 views

How to calculate margin costs for a brokerage account?

I wanted to calculate total margin costs for an account that started with 5,000 cash and held for 6-months? I managed to get some sample rates online . My assumption is that I would borrow another ...
0
votes
1answer
25 views

KeyError in Python code used to determine a trade signal for Pair Trading

I'm basically running some code as follows. Basically I'm just retrieving pairs of stocks (laid out as Row 1-Stock 1,2, Row 2-Stock 1,2 and so on, where Stock 1 and 2 are different in each row) from a ...
2
votes
1answer
85 views

Why is IV different between put and call of same strike

In his book 'Dynamic Hedging' Nassim Taleb says that the volatility of an OTM put should be exactly equal to that of a corresponding in the money call of same strike. But in option chains, the ...
1
vote
1answer
39 views

Technical Analysis - OBV indicator calculation in R

Here is a few references about OBV calculations: http://ta.mql4.com/indicators/volumes/on_balance_volume ...
2
votes
0answers
53 views

Calibration of Heston version of CIR

I'd like to calibrate a variant of Heston model for interest rates which is describe by this couple of SDE \begin{aligned}dr_t&=a(b-r_t)+\sqrt{r_t}\sigma_t dW_t^1 \\ ...
1
vote
1answer
25 views

Value-at-Risk of the sum of three independent lognormal random variables with different confidence level

there are three Business units in a firm, each has operational VaR value which are independent from eachother. the quantile for each opVaR is different from the others. can I simply add the VaRs to ...
1
vote
1answer
32 views

Differences between editions of Security Analysis by Graham and Dodd?

Where can I find a comparison of the contents, a list of everything that changed or the differences among the different editions of the book Security Analysis by ...
0
votes
0answers
26 views

Value-at-Risk - Currency Swap

Can someone explain to me how to calculate the VaR (delta-normal-method) for a Currency Swap? Thanks in advance. Regards Alexander
1
vote
1answer
46 views

Using Gordon's Growth Model to find value of corporation

This is a question posed to us by my professor in my finance class. I was under the impression that the Gordon Growth Model was used to find the intrinsic value of a stock, but I am unsure how to plug ...
3
votes
2answers
128 views

What is the use of options pricing formulas

This may seem like a dumb question, but if the EMH is generally true, wouldn't options already be correctly priced? Why do we need all these intricate formulas, unless we think the prices are wrong or ...
1
vote
1answer
50 views

Discounted Stock Price

I have the following Question : Prove that under the risk-neutral probability p the stock and the banjaccount have the same average rate of growth. In other words, if $ S_0 , S_N $ are the initial ...

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