1
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0answers
37 views

Use of real-world probabilities in options pricing: binary event with continuous effect

Let's say I have to price options on instrument X with a multitude of strikes. For simplicity, assume that X only makes one move during the options' lifetime, and this move is affected by some binary "...
1
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0answers
11 views

How to get daily OHLC (fints) from minutes OHLC (fints) in MatLab?

I have a minutes OHLC time series stored in fints object, how can I get a new fints object which contains daily OHLC? What is the easiest way to do it?
1
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0answers
47 views

(Reproducible example) Conditional returns in GARCH-EVT-Copula context (with R)

I'm estimating a time-varying correlation matrix for the normal copula using the rmgarch package from R. I've found this code in the rmgarch.tests folder. I use the ...
1
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0answers
18 views

Liquidity horizons of risk factors categories

I'm reading the consultative document of the BCBS on the Fundamental Review of the Trading Book: http://www.bis.org/publ/bcbs265.pdf Table 2 on page 16 shows the liquidity horizons for 5 broad risk ...
1
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0answers
30 views

Bootstrapping bond spreads as in the standard CDS model

Suppose that we have a spread curve $\boldsymbol{s}:=(s_1, ..., s_n)$, where $s_i$ are CDS par spreads. Moreover, assume the standard ISDA model framework, i.e. piecewise constant forward / hazard ...
1
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0answers
14 views

Are the returns in this regression signed returns?

In this paper about combining multiple alphas are the returns signed returns? if not wouldn't they be mean zero? Also, it mentions "realized alpha returns" - does that just mean "realized" past alpha ...
1
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0answers
62 views

Exploding Libor Rates in Libor Market Model

I have implemented the Libor Market Model in Matlab. When I generate a number of paths, I notice that some of them explode. Does anybody have an idea what could cause this? I already tried solving ...
1
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0answers
33 views

The best process for foreign exchange rate

I have a simple research project and I need to explain a behavior of a foreign exchange rate. Could you propose a stochastic process without jumps so that it could be estimated with QMLE? Is GBM ...
1
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0answers
43 views

how to mix trading signals for the same product?

I have multiple trading signals developed using cointegration on the same stock using various correlated assets. Is there a mathematical way to combine them to achieve better entry/exit points and ...
1
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0answers
64 views

How to backtest strategy in portfolio of stocks using SIT R?

I am creating and testing strategies in R code and using systemic investor toolbox(SIT) package as the backtesting tool. I copied a SIT backtesting code from a website and made small changes to make ...
1
vote
0answers
35 views

Account for empirical relationship between signal and market data

I have two monthly time series : one is a 'signal', on which I will base my decision to buy or short-sell, and the second one is the time serie of a given asset's price. I have implemented this ...
1
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0answers
62 views

Backtesting Long/Short Market Neutral Z-Score Strategy with Custom Factors and Custom Stock Universe

So I've managed to backtest simple strategies, like MA, RSI and some fundamental ones (P/E ratios etc) but Im stuck at my last strategy. Here is some information: Tools: Excel and Python (also a ...
1
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0answers
22 views

Should the number of Markowitz Optimization steps be counted as backtest trials?

I'm backtesting a strategy that involves monthly investments in a few stocks out of a given set, that is, each month some of the stocks are shortlisted from an index and a long position is taken in ...
1
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0answers
41 views

Model Free VIX Calculation in Python

I have previously seen this implementation and had meant to replicate it, but can't find it any longer. Does anyone know of a python implementation of the CBOE Volatility Index? Yes, the white paper ...
1
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0answers
46 views

Transition Between Volatility Regimes

Emanuel Derman wrote a great paper in 1999 about volatility regimes and the adjustments the market makes during these periods (sticky strike, sticky implied tree, sticky delta, etc). Has any ...
1
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0answers
47 views

Number of mortgages in a MBS

Is it possible to know the typical number of mortgages that can be packaged into a MBS product, e.g. a pass-through MBS, or an agency backed TBA. I think the minimum size is \$1-million but if a ...
1
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0answers
48 views

How can we observe volatility smile from the market. Drawbacks of Heston Stochastic Volatility Model

Here are two questions related to implied volatilities. a) The set up here is for an European option. We can get its implied volatility smile from calibration, the question is why could we also ...
1
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0answers
28 views

Replicating portfolio: initial portfolio?

I have a bit of trouble understanding how to determine the replicating portfolio of a call using just a stock and the riskfree asset. I have times $t = 0,1,2$, and at time $2$, we have $3$ payoffs ($...
1
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0answers
29 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 ...
1
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0answers
27 views

student-t asset path

I am trying to simulate an asset path based on a t-distribution. I found a lot of ressources and the fact that it will be difficult to do a path. But now I changed my Geometric Brownian Motion ...
1
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0answers
23 views

How to calculate optimal monthly withdrawals from an investment with compound interest

I have 1.25M dollars. I want to put it in an investment with 60% annual return paid monthly and re-invest the interest to achieve compound interest. After 15 years, my principal would have grown to ...
1
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0answers
31 views

Problem with determining weights in tangency portfolio (2 risky assets)

I use the following well known formula in order to determine the weight of asset i in the tangency portfolio (in the case of two risky assets): $w_{i,T}=\frac{\sigma[r_2]^2E[R_1]-\sigma[r_1,r_2]E[R_2]...
1
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0answers
34 views

How do I build a cross currency basis swap pricer using implied levels generated from fx forwards?

How can I construct a simple calculator to imply the cross-currency basis (with sides) from the FX forward and interest rate markets, at maturities under 1y? Depending on liquidity the market in ...
1
vote
0answers
36 views

Estimating time-varying tail dependence for Archimedean copulas

Patton (2006) defines the upper tail dependence coefficient for a time-varying bivariate SJC copula as $$\tau^u_t=\Lambda \left(\omega_u + \beta_u \tau^u_{t-1}+\alpha_u \frac{1}{10}\sum^{10}_{i=1}|u_{...
1
vote
0answers
29 views

Interest rates - Swaptions implied volatility - Volatility anchoring with Black and with normal volatilities

In a LMM+ with displacement factor a volatility anchoring technique is used, i.e. a long term volatility assumptions is applied, derived from historic time series. Should I adjust this historic ...
1
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0answers
75 views

Cointegration for forex using ARMA model to forecast the spread

I am working on an automatized quantitative strategy that use cointegration in Forex. I am backtesting this strategy in Python. Please see below the python file: https://drive.google.com/file/d/...
1
vote
0answers
35 views

Is it possible to place hidden order inside spread when trading E-mini S&P 500?

My question is not about hidden orders in general. In equity market a trader can post his hidden order inside spread, is it the same way for E-mini S&P 500?
1
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0answers
47 views

“Risk” Factor vs Double Sorts

With regards to a cross-sectional asset pricing (stocks) study, I am testing if one variable can explain another. One common approach to do this, is to use the double-sorting portfolio technique (sort ...
1
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0answers
48 views

How to write time-varying functions in R? Applied example

Let's say I want to use a Gaussian copula $$C_{R_t}(\eta_1, ..., \eta_n) = N_{R_t}(N^{-1}(\eta_1), ...,N^{-1}(\eta_n))$$ with a time-varying correlation matrix $R_t$. Through DCC we model the ...
1
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0answers
40 views

Python regenerating ARMA params using statsmodels

I am trying to regenerate the ARMA parameters from statsmodel in python. The code I am using is: ...
1
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0answers
32 views

$0$-beta stock and diversification

If we invest $w$ in the market portfolio and $1 - w$ in the risk-free asset, and observe a $0$-beta asset with expected return greater than the return on the risk-free asset, how can this be used in ...
1
vote
0answers
34 views

R:log return calculation for panel data structure

I have a long form panel for hourly prices of stocks. I want to do log return calculation for this panel data structure. This is sample data: ...
1
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0answers
30 views

Is $(1,0,0,0,…,0)$ a legitimate dividend stream?

A book I am reading defines a positive linear functional as a "price functional" from a set of adapted processes to the real numbers. Specifically, it defines a "consistent price functional" as one ...
1
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0answers
39 views

Option based approach to real capital structures

Has anyone made a serious attempt to apply option theory to real assets and capital structures, taking into account all the messy details ?
1
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0answers
25 views

Arbitrage and completeness in multiperiod model?

Given a 2-period market with above stock price process along with a riskfree stock with a return of 5%, how do I determine whether the market is arbitrage-free and complete when I only have knowledge ...
1
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0answers
23 views

Estimate the risk of swaptions

I would like to model OTM Swaptions. I can use some implementation of the Bachelier model (not B76 due to negative rates) and implied volatilities from Bloomberg. For 10Y X 10Y (10 years option ...
1
vote
0answers
34 views

Black Litterman: Is it possible to have multiple views (from different sources) on the same asset?

From the basics of Black Litterman I understand that each view on a stock is implemented via the pick matrix P with the expected value of the views in Q. I have read several papers where each stock ...
1
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0answers
41 views

FIX engines comparison

Need help, looking for some comparison between c++ FIX engines, like onixs, antenna and some fpga solutions. If anyone has experienced some of the named engines also would like to hear the ...
1
vote
0answers
43 views

Pricing back swaptions corresponding to underlying swaps of Bermudan Swaption in calibrated LMM

I do not know to which swaption volatility matrix I have to calibrate the LMM in order to price back correctly the swaptions corresponding to the underlying swaps of a Bermudan Swaption. My problem: ...
1
vote
0answers
37 views

Bond Duration with Bond portfolio returns

if I have given CRSP bond portfolio returns with different maturities (1m-12m, etc), how is it possible to compute the Future price and the duration? Beside that I do also have the Nelson-svensson-...
1
vote
0answers
24 views

Are forward rates starting at observation date spot rates?

In part 3.2 of Lu and Neftci (2003) "Convexity Adjustments and Forward Libor Model: Case of Constant Maturity Swaps", the authors propose a new way of pricing CMS swaps, with Monte Carlo simulations. ...
1
vote
0answers
104 views

Machine learning techniques for quantitative finance?

I am a mathematician who wants to learn about quantitative finance, in particular how machine learning can be applied to it. I assume some machine learning techniques are more applicable than others ...
1
vote
0answers
78 views

cointegration strategy

If it can be proved that two time series $$S_t^1=\alpha + \beta S_t^2 + \xi_t$$ representing stocks are correlated, with $\beta=-2$ and then are proved to be cointegrated, how a portfolio should be ...
1
vote
0answers
25 views

Can an order be filled but uncommitted?

Let's say I place an order to buy shares. Let's says uncommitted shares are those not actively working with other destinations or brokers, and committed shares are those actively working but yet ...
1
vote
0answers
14 views

Deming Regression

I am trying to test the linearity = interdependence or the non-linear (contagion) between Asian countries during the Asian crises using the fluctuation of the exchange rate. Is it relevant to use the ...
1
vote
0answers
27 views

How can factor certificates achieve constant leverage?

How does a bank which offers a factor certificate with unlimited maturity, e.g. a certificate which promises the holder to change in value in a constant proportion with respect to a change in the ...
1
vote
0answers
99 views

Update Daily price from yahoo in R

I am trying to update daily prices from yahoo via below R code, but code is not working properly and i am not getting any error as such. One can see the reference code at following link. http://www....
1
vote
0answers
19 views

Pricing with-profit/smoothed bonus annuity using Black-Scholes

Would this be possible? Subsequently, would the pricing of such an annuity be somewhat similar to pricing a lookback option?
1
vote
0answers
67 views

Quadratic variation

The following question is more math than quant, but since it arises from a mathematical finance textbook, I've figured the good people in this sub might be able to help me. So here goes. In the 3rd ...
1
vote
0answers
24 views

Dynamic programming problem with dimension over 1000.

I am working on a dynamic programming problem with dimension over 1000. In this past, there exist methods like Smolyak algorithm and Adaptive sparse grid method to solve dynamic programming problem ...

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