1
vote
0answers
6 views

Approximate asian geometric option with Heston

I am trying to implement Theorem 1 from this Journal in RStudio. The journal says the it is possible to find a approximate price of a geometric asian option in a Heston setup this way: ...
0
votes
0answers
5 views

How to find optimal noise covariance matrices Q & R

I am trying to use the discrete Kalman filter for forecasting and I wonder what is commonly considered as the optimal way of determining the measurement noise covariance constants (Q and R) for a ...
0
votes
0answers
4 views

does there need to be risk-neutral agents in the market to enforce risk-neutral pricing?

I'm trying to understand a fundamental link between mathematical finance and economics. I understand that risk-neutral pricing is free of arbitrage with replicating portfolio. Does risk-neutral ...
0
votes
0answers
6 views

Are limit orders mostly being matched by market orders?

When going over order book data, most limit-order executions look similar to the following: ...
0
votes
0answers
8 views

Estimating Credit VaR using a simulation of joint defaults with a copula

I'm trying to follow the steps Malz gives to calculate Credit VaR using simulation of joint defaults with a copula. I'm having trouble understanding some of the steps. My math knowledge is rather ...
0
votes
0answers
8 views

Unexplained delimiters in Nasdaq ITCH file

I'm working on writing an order book constructor for Nasdaq ITCH v5 files, and I'm noticing some occasional message identifies/ delimiters that are not included in the ITCH5 specification, ...
0
votes
1answer
17 views

Calculating unweighted performance of stocks within a period

The well known calculation of unweighted index of stocks is just calculating an arithmetic average. And then, to calculate the performance of the index, I calculate the %change of the unweighted ...
0
votes
1answer
28 views

Interpretation of vega out of BS formula

I am comparing Monte Carlo estimates of VaR (using importance sampling) under both the normal and student distributions. I am also considering risk factors other than log-prices; in particular, ...
0
votes
1answer
45 views

Feynman Kac Formula for path-dependent options

Consier geometric Brownian motion: $dS_t/S_t=\mu dt+\sigma dW_t$ Feynman Kac theorem tells us that the conditional expectation $v(t,x)=E[ e^{-rT}\Psi(S_T) | S_t=x]$ can be computed by solving the ...
0
votes
0answers
20 views

Shrinkage Estimator giving unrealistic portfolio variances

I have a historical covariance matrix which is invertible for daily and monthly returns. I used the Ledoit,Wolf shrinkage estimator for the covariance matrix and now I get really small portfolio ...
0
votes
0answers
12 views

C++: Derive a class template from QuantLib::PiecewiseYieldCurve [migrated]

I would like to derive a class template from QuantLib::PiecewiseYieldCurve. This is my derived class definition: ...
0
votes
1answer
27 views

Ledoit-Wolf Shrinkage estimator not giving positive definite covariance matrix

I used ten year daily data for 407 stocks and computed the daily and monthly covariance matrices. Since I have more variables than observations for the monthly matrix, I wasn't surprised to find the ...
2
votes
0answers
67 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 ...
1
vote
1answer
83 views

What are some quantitative trading strategies used by high-frequency trading companies to make a killing on a market crash day on 24Aug2015?

http://blogs.barrons.com/focusonfunds/2015/08/24/high-frequency-trading-firms-just-made-a-killing/ Virtu Financial (VIRT), the high-speed trading firm that went public earlier this year, was one ...
0
votes
0answers
6 views

The calculation of NIBID rate from 2013 by using NIBOR rate (UIP)

I need to calculate the NIBID rates from 2013. I have the NIBOR as a starting point and some indications but I am still quite confused. I found some advices online, but it does not seem to get me the ...
0
votes
0answers
13 views

Expectation Hypothesis: forward variance

I am trying to understand the Expectation Hypothesis from Campa and Chang (1995). In the paper of Byoun et al. they use this formula to estimate the forecast biasness of options. $$ V_{1,k} - V_{0,k} ...
0
votes
0answers
8 views

What equal installment of annual payment will discharge a debt which is due as Rs. 848 at the end of 4 years at 4% per annum simple interest? [on hold]

The above question can be calculated by using the formula x=100P/(100n+n(n−1)r/2), which gives the result = 200. My doubt is that 200*4 gives 800. So when the balance (848-800) 48 will be paid?
0
votes
0answers
40 views

What to expect when switching from backtesting to live trading?

I am back-testing my model using the closing price of 5 minute candle-bars. I am trading S&P 100 stocks. I simulate executions with the assumption I can get them 2 ticks away from the closing ...
2
votes
2answers
97 views

Option with payoff $K^2/S^2$

Given the dynamics of the risky asset ( with dividend $q$ ), $$ \frac{dS_t}{S_t}=(\mu-q)dt + \sigma dW_t^P $$ Consider a european option with payoff, $$ P_0(S) = \begin{cases} 1, & ...
2
votes
1answer
55 views

Parametric VaR with Student-t distribution

Im using VaR to estimate parametric VaR. I have been able to do this using a Normal Distribution, however I want to also do this using a Student t-distribution and I'm unsure how to implement that in ...
0
votes
1answer
25 views

Futures Parameters for Value at Risk

I am new to risk management. I am calculating the VaR for a portfolio of futures contracts, long and shorts. I calculated it using the historical, parametric, and MC method. But there is something ...
0
votes
0answers
12 views

Historical UK Gilt 2-year and 5-year data

Data on the Medium (approx. 5-years) and Short (approx. 2-years) futures contract listed on ICE only goes back to 2009. Is anyone able to point me towards where I can get a longer time series, perhaps ...
2
votes
1answer
63 views

Up and Down days in GBPUSD and a Filter

I want to study if the odds of an up or down day in a forex pairs is 50-50. I just count the total number of up and down days in X years and compare it with the total days. The results are very ...
0
votes
0answers
19 views

Stock valuation: Solving non constant growth problem statement: stock evaluation [on hold]

Note: I have the answer I think but it doesn't make any sense to me as to what the question actually is asking or what the method is to solve. •Suppose a firm is expected to increase dividends by 20% ...
0
votes
1answer
51 views

What exotic options are exchange-traded?

There are a number of exchanges that trade vanilla Call/Put American/European options on various underlyings (equities, indices, futures). There have been some trading in digital options on certain ...
-1
votes
0answers
36 views

Software project in QF? [on hold]

I am relatively new in QF and I still need to learn lots of things about the subject. But I can't wait to start to use my analytic+math+software skills in some QF project. So basically, I would like ...
0
votes
3answers
91 views

Is variance additive only under Log-returns?

Can't seem to figure this one out by thinking it through. Let's say that the simple return $R_t=P_{t+1}/P_t -1$ is assumed to be $R_t \sim iid N(0,\sigma^2)$. Thus, a two period return would be ...
1
vote
1answer
19 views

How are netting sets determined for CVA calculation?

In his book, Gregory describes a netting set as a set of trades that can be legally netted together in the event of a default Obviously, the netting agreements (as per ISDA master agreement) ...
0
votes
0answers
14 views

Mutual Fund Cash Level Data

I look for a source to download historical monthly mutual fund cash level data from. Is there any free/cheap source available?
4
votes
2answers
195 views

HFT to blame for Flash Crashes?

Some people 1, 2, 3 claim that High Frequency Trading is partly to blame for the extreme volatilities in the markets yesterday (24. August 2015). Is that true? Is the amount HFTs move even enough ...
3
votes
1answer
47 views

Yahoo finance, interactive chart and historical prices are different

I am very new to the stocks. I checked the TNTE.AS stock on Yahoo Finance website. Here it provides "Interactive Chart" and "Historical Prices". But I found they are showing different values. For ...
1
vote
1answer
39 views

How are Quandl monthly S&P500 earnings estimates derived?

Can someone explain how the monthly earnings estimates are derived for S&P500? Quandl sources multpl.com, who state: ...
0
votes
0answers
19 views

reference for elementary mortgage math

I have a student doing a project on default rate & prepayment rate for mortgages. She would like to include a section on how the quantities affect pricing, & so would like to reference a ...
1
vote
0answers
25 views

Specifying integration level of time series [on hold]

Following model was estimated on 200 observations. How to specify the level of integration of $X_t?$ In brackets there are standard errors and p-value of Breusch-Godfrey test is also shown. ...
2
votes
2answers
129 views

Relationships between white noise and random walk

I would like to ask 5 questions about relations between these processes. 1) Could white noise be also a random walk? 2) Could random walk be also a white noise? 3) Could white noise be stationary? ...
0
votes
3answers
60 views

Realtime Exchange Rate Data API

There are various sources for real-time exchange rate data, e.g. Ariva EUR/USD. Is there also an API or other source which enables to automatically retrieve real-time exchange rates as a data stream ...
0
votes
1answer
31 views

How to arrive at expectation of negative utility function via Taylor series expansion

I'm attempting to follow an author's steps in an argument and having trouble seeing how Taylor series expansion can be applied to give the stated result. The scenario is as follows. The mid price ...
0
votes
0answers
20 views

how best to equalize individual pair risk in a portfolio of stock pairs?

I am building a portfolio of stock pairs in which each pair is individually hedged via beta/hedge ratio adjustment. I am looking for a method to ensure that I am taking the same risk in each pair that ...
2
votes
0answers
36 views

The best way to generate market scenarios [closed]

What general approaches could you recommend for modeling spot rates(for different maturities) and forward rates?(eg for LIBOR) I need to generate scenarios for term-structure of interest rates. What ...
0
votes
0answers
13 views

Stiffness of numerical methods for SDE

What can I do with stiffness of numerical methods for SDE? I want to use numerical approach for solving SDE in market's scenarios generation. Is there any general approach to handle it?
2
votes
1answer
56 views

Hidden/Dark Pool Hedge Funds

Is there a noun for investment funds which do not disclose the assets they are investing in to their customers? Some exchanges are called "Dark Pools" where the orderbook is hidden to traders, so I ...
1
vote
2answers
71 views

Vega hedging with implied volatility smile

I have a problem with vega hedging. Consider the management of an exotic derivative, such as Barrier option. Typically we do the following tasks: selecting a pricing model, say, a local volatility ...
0
votes
1answer
20 views

How do right-to-break clauses affect CVA calculations

Does the presence of a optional/mandatory right-to-break clause affect CVA calculations, and if so, how? Given two (otherwise identical) 10y swaps with the same counterparty, one of which has a right ...
0
votes
1answer
42 views

Explain equation to calculate CDS spread

I've come across this equation in a text and can't figure out what part of it is doing. (Using quarterly installments) $\frac{1}{4*10^4}s^t \sum\limits_{u=1}^{4t} p_{0.25u}[(1-\pi_{0.25u}) + ...
0
votes
0answers
25 views

Smoothening yield curve by minimizing forward curve slope

I am using government bullet bond data and have bootstrapped a yield curve by solving the following optimization which minimizes unweighted price error: ...
0
votes
1answer
30 views

Rebucketing Risk using PCA/other methods

was working on a project and could use some help. New to the community and looking fwd to being an active part of it. My question is, let's say we have a vector of securities V, and it trades with ...
0
votes
1answer
24 views

DCF equity valuation [closed]

I am trying to gain a deeper understanding of equity valuation. I have been looking for excel examples. Can someone suggest me a source. Thank you very much.
0
votes
2answers
61 views

Question about find no arbitrage trading strategy

We got the stochastic process for stock price of n stocks at continues time. We can find if there is a arbitrage trading strategy or dominant trading strategy. I wonder if we cannot find such ...
0
votes
1answer
60 views

VIX Calculation - weighting of strikes

The formula for calculating the VIX from SPX options is given on page 4 of this document: https://www.cboe.com/micro/vix/vixwhite.pdf My question is, why is the option price at each strike weighted ...
0
votes
0answers
23 views

Whats the formula to calculate the FV, incorporating monthly deposits?

I need a Formula to calculate the future value of an investment based on current principal, interest, number of years, compounding interval (times annually) and monthly deposit. So basically ...

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