Tag Archives: quantitative finance

Brooklyn Quant Experience Lecture Series: Sandrine Ungari

This event has been rescheduled to Thursday, May 13th at 9:30 AM EDT. Please see the updated event details below.

Brooklyn Quant Experience Lecture Series, NYU Tandon

Sandrine Ungari, Head of Cross-Asset Quantitative Research Team at Société Générale will give the following talk on Thursday, April  22nd at 9:30 AM EDT. 

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Meeting ID: 953 4085 3209
Passcode: BQESU

Title

A Brief History of Quant Investing – from Traditional Equity Factors to Machine Learning

Abstract

Over the past few decades, systematic quantitative investing has gathered interest from a wide range of investors ranging from hedge funds to asset owners. In this presentation, we review a few of the most emblematic systematic strategies, and discuss their more recent implementations making use of modern statistical learning. Differences in performance across factors and cycles highlight the importance of having a portfolio framework. We show how diversification can be a factor of performance in that field too.

Bio

Sandrine Ungari is currently Head of Cross-Asset Quantitative Research team at Société Générale. The Quantitative Research team has been recognized as a market leader in quantitative research and is the recipient of the 2020 Risk Award for Research House of the Year. Sandrine’s research topics cover systematic strategies across asset classes, interest rate modeling, machine learning, statistical analysis, and portfolio construction. She joined Société Générale in 2006. Prior to that, she worked as a quantitative analyst at HBOS Treasury and at Reech Sungard in London. She is a graduate of ENSTA (Paris) and holds a Master’s in Quantitative Finance from Paris VI University.

Brooklyn Quant Experience Lecture Series: George Skiadopoulos

Brooklyn Quant Experience Lecture Series, NYU Tandon

George Skiadopoulos, Professor of Finance in the School of Economics and Finance, Queen Mary University of London and Department of Banking and Financial Management, University of Piraeus, will give the following talk on Thursday, April  22nd at 9:30 AM EST. 
*Kindly note that we have changed the time to 9:30 AM on Thursdays. The new time change allows our invited international guests to join these important virtual talks.

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Meeting ID: 962 1586 0443
Password: FREBQEGS

Title

The Contribution of Frictions to Expected Returns: An Options-based Estimation Approach

Abstract

We document that properly scaled deviations from put-call parity estimate the contribution of market frictions to expected returns (CFER) accurately, by means of a nonparametric theoretically founded identification strategy. The required conditions are that our estimator predicts the underlying but not the synthetic stock’s return. The data satisfy the two conditions; the alphas of the estimated CFER-sorted spread portfolios are up to 1.86% per month. The estimated CFER covaries non-linearly with proxies of market frictions. An agent-based equilibrium model explains our findings; alphas can be twice as big as the round-trip transaction costs, thus corroborating the accuracy of our estimator.

Bio

George Skiadopoulos is a Professor of Finance at the Department of Banking and Financial Management of the University of Piraeus and at the School of Economics and Finance of Queen Mary University of London. He is also Director and co-Founder of the Institute of Finance and Financial Regulation (IFFR, www.iffr.gr) and an Honorary Senior Visiting Fellow at Business School (formerly Cass) City, University of London.

His research interests and professional expertise lie in asset pricing, commodities, financial derivatives, risk management, and portfolio management. He has published in academic journals, including the Management Science, Journal of Financial and Quantitative Analysis, Journal of Business and Economic Statistics, Journal of Banking and Finance, and the Journal of Financial Markets. He has been awarded research grants by the Chicago Mercantile Exchange Foundation Group, the J.P. Morgan Research Centre in Commodities at University of Denver Colorado, the Athens Derivatives Exchange, and the Portuguese Foundation for Science and Technology (FCT). His work has been featured in CFO Magazine, Economonitor, Forbes, Market Watch, Seeking Alpha, The Verdict Wall Street Journal, and the CFA, Citigroup, and Global Commodities Applied Research Digest Volumes.

Professor Skiadopoulos has been consulting financial institutions. He has also worked as a Research Fellow at the Financial Options Research Centre at Warwick Business School, the R&D Group of the Athens Derivatives Exchange, and he has provided various executive training courses.

He holds a Ph.D. in Finance from the University of Warwick, an M.Sc. In Mathematical Economics and Econometrics from the London School of Economics, and a Ptychion (ranked first in his graduating class) in Economics from the Athens University of Economics and Business. For more information, visit https://sites.google.com/view/george-skiadopoulos.

Brooklyn Quant Experience Lecture Series: Sasha Stoikov

Brooklyn Quant Experience Lecture Series, NYU Tandon

Sasha Stoikov, Senior Research Associate at Cornell Financial Engineering Manhattan (CFEM), will give the following talk on Thursday, April  15th at 9:30 AM EST. 
*Kindly note that we have changed the time to 9:30 AM on Thursdays. The new time change allows our invited international guests to join these important virtual talks.

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Meeting ID: 942 9844 6763
Password: FREBQESS

Title

The Microstructure of Cointegrated Assets

Abstract

I will present a generalization of the micro price to multiple assets. This yields a notion of fair prices, as a function of the observable state of multiple order books. I will show how to compute the microprices of two highly cointegrated assets, using Level-1 data collected on Interactive Brokers. I will then test the model by designing an execution algorithm based on this two-dimensional microprice and show that it can save half of the bid-ask spread cost.

Bio

Sasha Stoikov has 15 years of experience at the interface of academia, startups, and the financial industry. He is a Senior Research Associate at Cornell Financial Engineering Manhattan (CFEM) and was a VP of High Frequency Trading at Cantor Fitzgerald. He has also launched a music tech startup called PIKI.

Brooklyn Quant Experience Lecture Series: Samim Ghamami

Brooklyn Quant Experience Lecture Series, NYU Tandon

Samim Ghamami, Senior Researcher at NYU and UC Berkeley, Senior Economist and Managing Director at the Financial Services Forum, and an Adjunct Professor of Finance at New York University, will give the following talk on Thursday, April  8th at 9:30 AM EST. 
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Meeting ID: 950 8799 6334
Password: FREBQESG

Title

The Impact of Collateral and Stays on Financial Stability

Abstract

We study the spread of losses and defaults in financial networks with two features: collateral requirements and resolution and bankruptcy stay rules. When collateral is committed to a firm’s counterparties, a solvent firm may default if it lacks sufficient liquid assets to meet its payment obligations. Collateral requirements can thus increase the risk of contagion. Moreover, one firm may benefit from the failure of another if the failure frees collateral committed by the surviving firm, giving it additional resources to make other payments. Contract termination at default may also similarly improve the ability of other firms to meet their obligations. As a consequence of these features, the timing of payments and collateral liquidation must be carefully specified to establish the existence of payments that clear the network. Using this framework, we show that committed collateral in the form of initial margin in over-the-counter derivatives markets may increase contagion and financial instability. We also compare networks under different stay rules in OTC markets. Our analysis shows that when firms are not highly leveraged in terms of derivatives transactions, full contract termination may reduce contagion.

Bio

Samim Ghamami is a senior researcher at NYU and UC Berkeley, the senior economist and managing director at the Financial Services Forum, and an adjunct professor of finance at New York University. Ghamami also serves on the advisory board of the Mathematics in Finance Program at the NYU Courant Institute. He has also been a senior financial economist and senior vice president at Goldman Sachs, an associate director, and a senior economist at the U.S. Department of the Treasury, Office of Financial Research, and an economist at the Board of Governors of the Federal Reserve System.

Ghamami’s work has broadly focused on financial economics and more recently on the interplay of finance and macroeconomics. Ghamami has been an advisor to the Bank for International Settlements and has also worked as an expert with the Financial Stability Board on post-financial crisis reforms. He served on the National Science Foundation panel on Financial Mathematics in 2017 and 2018.

Brooklyn Quant Experience Lecture Series: Leon Tatevossian

Brooklyn Quant Experience Lecture Series, NYU Tandon

Leon Tatevossian, NYU Tandon FRE Adjunct Professor, will give the following talk on Thursday, March 25th at 9:30 AM EST. 
*Kindly note that we have changed the time to 9:30 AM on Thursdays. The new time change allows our invited international guests to join these important virtual talks.

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Meeting ID: 949 0708 1079
Password: FREBQELT

Title

Can We Still Blame MBS Hedgers?

Abstract

Part of fixed-income folklore is the idea that directional moves in the rates markets can get exaggerated by the duration-rebalancing decisions of mortgage-backed security (MBS) investors and market-makers.  Under stable regimes, we could posit that this theme resides in the market’s “background noise.”  In those backdrops, there’s a consensus toolkit for interpreting its effect and how it fits with other price drivers.  In periods of harder-to-rationalize repricings in rates space this “convexity effect” attracts more attention:  The risk attributes (such as the distribution across the coupon “stack”) of the outstanding “stock” of MBSs and the sector’s relative value are major determinants of the rebalancing strategy, and thus of the effect’s magnitude.

The advent of the Fed’s quantitative easing (QE) programs (currently taking $40 billion of agency MBSs out of private hands per month, net of principal redemptions) and the continuing sell-down of GSE’s balance sheets mean that there’s a significantly reduced amount of MBS paper held by “players who hedge.”  Can we still blame the MBS hedgers when we experience greater-than-expected rates volatility?

Bio

Leon Tatevossian is a fellow/adjunct instructor in the Mathematics in Finance Program at NYU-Courant Institute. From 2009-16, Leon was a director in Group Risk Management at RBC Capital Markets, LLC, covering market risk for securitized products in secondary-trading, origination, and proprietary-trading areas.  He has twenty-nine years of sell-side experience in the fixed-income markets, including positions as a trader, quantitative strategist, derivatives modeler, and market-risk analyst. His product background includes US Treasury securities, US agency securities, interest-rate derivatives, MBSs, ABSs, and credit derivatives.  Leon graduated from MIT (SB; mathematics); he was a graduate student in mathematics at Brown University.

Brooklyn Quant Experience Lecture Series: Viktor Todorov

Brooklyn Quant Experience Lecture Series, NYU Tandon

Viktor Todorov, Professor of Risk Management and Professor of Finance at the Kellogg School of Management, Northwestern University, will give the following talk on Thursday, March 18th at 9:30 AM EST. 
*Kindly note that we have changed the time to 9:30 AM on Thursdays. The new time change allows our invited international guests to join these important virtual talks.

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Meeting ID: 979 5163 8107
Password: FREBQEVT

Title

Option-Implied Semimartingale Characteristics

Abstract

We propose nonparametric methods for the recovery of the spot semimartingale characteristics of an asset price from noisy short-dated option data. The estimation is based on forming portfolios of options with different strikes that replicate the (risk-neutral) conditional characteristic function of the underlying price in a model-free way. The recovery of spot volatility is done by making use of the dominant role of the volatility in the conditional characteristic function over short time intervals and for large values of the characteristic exponent. The estimation of the tail jump variation measures, on the other hand, is based on their representation as integrals of the Laplace transforms of the jump compensator. The latter are in turn recovered from the second derivative of the option-implied characteristic function estimate, de-biased by its value at high frequencies to account for the diffusive volatility. We apply the estimation techniques to real data and illustrate the use of the extracted option-implied semimartingale characteristics in asset pricing applications.

Bio

Viktor Todorov is Harold H. Hines Jr. Professor of Risk Management and Professor of Finance at the Kellogg School of Management, Northwestern University. Professor Todorov is a Fellow of the Society for Financial Econometrics and the Journal of Econometrics. His research interests are in the areas of theoretical and empirical asset pricing, econometrics, and applied probability. He has published extensively in these fields.

His recent work focuses on the robust estimation of asset pricing models using high-frequency financial data as well as the development and application of parametric and nonparametric methods of inference for studying risks and risk premia using derivatives markets data. He currently serves as a Co-Editor for Econometric Theory and is on the editorial board of a number of leading academic journals, including Econometrica and the Journal of Econometrics. He received his Ph.D. in Economics from Duke University in 2007.

Brooklyn Quant Experience Lecture Series: Roza Galeeva

Brooklyn Quant Experience Lecture Series, NYU Tandon

Roza Galeeva, Adjunct Professor, NYU Tandon FRE, will give the following talk on Thursday, March 11th at 9:30 AM EST. 
*Kindly note that we have changed the time to 9:30 AM on Thursdays. The new time change allows our invited international guests to join these important virtual talks.

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Meeting ID: 928 3123 9504
Password: FREBQERG

Title

In Pursuit of Samuelson: Studies of Commodity Volatilities and Correlations

Abstract

Empirical analysis of price returns is an essential component in the valuation methods in any asset class. Energy commodities present unique challenges: seasonality and inventory are crucial for covariance structure; forward price volatility increases dramatically while approaching contract’s expiration: the famous Samuelson effect; liquidity in commodity futures and options liquidity is concentrated at short tenors.

This fact makes the term structure of volatility and correlations very important in pricing and hedging decisions. In this presentation, I give the results of my work with NYU students devoted to this subject. We will follow three goals:

  • Parameterization of Samuelson effect and the calibration procedures for commodities futures, including seasonal commodities as gas and power.
  • Samuelson effect for commodity correlations, parameterizing calendar correlations.
  • Contrast between the traditional Black and its long-ago predecessor Bachelier model in view of recent dramatic events in oil markets in Spring 2020.

Bio

Roza Galeeva has extensive experience of over 18 years with commodity derivatives – modelling, pricing, and risk management. She has been employed at senior levels as a quant at Williams Energy, Northeast Utilities, and most recently, for 13 years, 2005-2018 at Morgan Stanley. She worked at MS in different roles and departments, including the Valuation Group, and later the MS strats and modelling group. Prior to the industry, Roza was teaching courses in mathematics in different countries. She has a PhD from Moscow State University in Mathematical Physics. She published papers in geometry, PDE, dynamical systems, and financial engineering. She made her come back to academia in 2017 at NYU with teaching courses in financial engineering and working with NYU students on research projects on Commodity Derivatives.

Brooklyn Quant Experience Lecture Series: Ed Weinberger

Brooklyn Quant Experience Lecture Series, NYU Tandon

Ed Weinberger, Adjunct Professor, NYU Tandon FRE, will give the following talk on Thursday, February 18th at 9:30 AM EST. 
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Meeting ID: 971 4847 6117
Password: FREBQEEW

Title

Pragmatic Information and Market Efficiency

Abstract

“Standard,” information theory says nothing about the semantic content of information. Nevertheless, financial markets demand consideration of precisely this aspect of information, yet the search for a suitable measure of an “amount of meaning” has been, up until now, largely unsuccessful. This talk represents an attempt to move beyond this impasse, based on the observation that the meaning of a message can only be understood relative to its receiver. Positing that the semantic value of information is its usefulness in making an informed decision, I define pragmatic information as the information gain in the probability distributions of the receiver’s actions, both before and after receipt of a message in some predefined ensemble. The efficient market hypothesis (EMH) is then the statement that the pragmatic information of available information (previous prices, news items, etc.) in predicting future prices from zero. I contrast this version of the EMH with the more familiar claim that price processes are martingales by observing that the familiar GARCH(1, 1) process, though a martingale, violates the present version of the EMH.

Bio

Ed began his post Ph.D. career as a researcher in theoretical evolutionary biology at the University of Pennsylvania and the Max Planck Institute, but he transferred his skills in applied math to quantitative finance when he became a quant on the interest rate desk of HSBC. Upon joining Deutsche Bank, Ed became interested in financial risk management, where he helped establish GARP’s Financial Risk Manager (FRM) exam. Since then, he has since consulted on a number of projects in quantitative finance and financial technology (“fintech”), including his ongoing fintech work at Bank of America. Besides being a long-time adjunct in what is now Tandon’s Department of Finance and Risk Engineering (FRE), Ed was a visiting professor of finance at Clark University from 2014-2016.

Ed currently teaches numerical methods and Python programming in the FRE Department.

Brooklyn Quant Experience Lecture Series: Tom Davis

Brooklyn Quant Experience Lecture Series, NYU Tandon

Tom Davis, Ph.D., CFA, Vice President, Director Research, Fixed Income and Derivatives, FactSet, will give the following talk on Thursday, February 11th at 9:30 AM EST. 
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Meeting ID: 938 8650 9511
Password: FREBQETD

Title

A Likely Gamma

Abstract

In this talk, I will present a derivation of binomial and trinomial trees using the path integral formalism of quantitative finance, resulting in a novel formula for delta is found based on the likelihood ratio method. This formula yields extremely accurate results at virtually no extra computational cost. Further, when combined with automatic differentiation, this method overcomes a known issue in that gamma is not computable on trees. Finally, I will show some current research broadening this new formula for delta to other cases – including a new method to stable “bumped” deltas for Monte Carlo.

Bio

Dr. Tom Davis, Ph.D., CFA is Vice President, Director Research, Fixed Income & Derivatives at FactSet. In this role, he is focused on ensuring FactSet provides the highest quality fixed income and derivative analytics while growing the coverage across all asset classes. His team also conducts cutting-edge research in the models and methods of quantitative finance which will ultimately increase the speed and accuracy of FactSet analytics. Prior to FactSet, Mr. Davis spent four years at Numerix as Vice President of Product Management in charge of their flagship product and before that, four years managing a team of quantitative analysts at FINCAD focused on arbitrage-free modes of interest rates and foreign exchange rates used to price exotic hybrid derivatives. Dr. Davis earned a Doctor of Philosophy in theoretical physics from the University of British Columbia in Vancouver, Canada.

Brooklyn Quant Experience Lecture Series: David Shimko

Brooklyn Quant Experience Lecture Series, NYU Tandon

The Department of Finance and Risk Engineering welcomes David Shimko, NYU Tandon, Industry Full Professor, to the BQE Lecture Series on Thursday, November 12, 2020, at 6 p.m. on Zoom.

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Meeting ID: 993 5500 0941
Password: BQEDS

Title

A Theory of Equivalent Expectations Measures for Expected Prices of Contingent Claims

Abstract

Reframing modern portfolio theory with Gaussian cash flows rather than percentage returns, the CFPM (cash flow portfolio model) sets a structural foundation for valuing both traditional capital assets and derivatives. Asset prices are shown to be decreasing functions of both cash flow covariances and variances. The usual single-period CAPM formulas follow, but the expected returns are determined endogenously. All risk is implicitly priced in expected returns, leading to reinterpreted rules for portfolio selection and capital budgeting. Derivatives obey the same total covariance-based pricing relationships as cash flows, except that they exist in zero net supply. After applying a regularity condition, the Bachelier option pricing model obtains in a discrete-time setting without continuous trading. The closed-form CFPM extends to multiple periods. The multiperiod CFPM generalizes risk-neutral pricing to discrete multi-period contingent claim models, such as valuing the capital structure of a firm and CDOs.

Bio

Professor Shimko joined FRE in 2017 following a 30+ year career in investment banking and consulting. After beginning his career as an Assistant Professor at USC, he left to become a Vice President at JPMorgan, and a Principal at Bankers Trust. He co-founded Risk Capital, a successful independent risk management consulting firm, which was sold in 2006. Since that time, he has combined private consulting with entrepreneurial ventures in asset management and credit. His current research focuses on advanced valuation techniques, such as the application of derivative pricing technology to corporate assets, liabilities, and decisions.