Rama CONT: Research Publications
Books:
- R Cont: Functional
Ito calculus and functional Kolmogorov equations, in: V Bally et al: Stochastic integration by parts and Functional Ito calculus (Lectures Notes of
the Barcelona Summer School on Stochastic Analysis, Centro de Recerca de Matematica, July 2012), Springer: 2016.
Lecture Notes.
- R Cont & P Tankov: Financial
modelling with jump processes, Chapman and Hall/ CRC Press, 2003.
- R Cont (Editor in Chief) Encyclopedia of Quantitative Finance Wiley
(2010).
- R Cont (ed.) : Frontiers in Quantitative Finance: credit risk and
volatility modeling, Wiley, 2008.
Recent working papers
- R Cont (2025) Transport along rough trajectories.
- R Cont (2025) Dynamic hedging with misspecified models.
- R Cont, Anran Hu (2025) Homogenization and Mean-Field Approximation for Multi-Player Games.
- R Cont, FangRui Lim (2024) Causal transport on path space.
- H Assayag, A Barzykin, R Cont, W Xiong (2024) Competition and learning in dealer markets, Working Paper.
- R Cont, P Das (2023) Measuring the roughness of a signal.
- R Cont, S Saroyan (2023)
EURAXI: a benchmark for Euro credit spreads.
Press article:
Euro-AXI proposed as Euribor fallback. RISK.net, June 2023.
- Rama Cont, Alain Rossier, Renyuan Xu (2022) Asymptotic analysis of Deep Residual Networks .
- Rama Cont, Mihai Cucuringu, Jonathan Kochems, Felix Prenzel (2023) Limit Order Book Simulation with Generative Adversarial Networks .
- Rama Cont, Alain Rossier, Renyuan Xu (2022) Convergence and Regularization Properties of Gradient Descent for Deep Residual Networks .
- A Ananova, R Cont, R Xu (2020) Excursion risk.
- Francesco Capponi, R Cont (2020)
Multi-Asset Market Impact and Order Flow Commonality.
- Francesco Capponi, R Cont (2019)
Trade Duration, Volatility and Market Impact.
- A Ananova and R Cont (2018) Functional calculus for controlled paths.
- R Cont (2018) Margin requirements for non-cleared derivatives.
- R Cont, Yuhua Yu (2018) Algorithmic trade execution and intraday market dynamics.
- R Cont, Eric Schaanning (2017) Fire sales, indirect contagion and systemic stress-testing.
Highlighted in Central Banking Journal.
- P Blacque-Florentin, R Cont (2015) Functional calculus and martingale representation formula for integer-valued measures.
- R Cont, A Bentata (2009)Mimicking the marginals of a semimartingale.
- R Cont, M Avellaneda (2013) Close-Out Risk Evaluation.
- R Cont, Adrien de Larrard: (2012) Order book dynamics
in liquid markets: limit theorems and diffusion approximations, Working Paper.
- Statistical
Modeling of Credit default swap portfolios, 2011. With: YuHang KAN.
- Central Clearing of interest
rate swaps: a comparison of offerings, 2011. With: YuHua YU and Radu
MONDESCU.
- R Cont, Yu Gu Local vs non-local forward equations for option prices, 2012.
Research Publications
2025
- A Ananova, R Cont, R Xu (2025) Model-free analysis of dynamic trading strategies. SIAM Journal on Financial Mathematics, Vol. 16, Issue 1.
- R Cont, Mihai Cucuringu, Renyuan Xu, Chao Zhang (2025) Tail-GAN: Learning to Simulate Tail Risk Scenarios. Management Science.
- R Cont, P Degond, L Xuan (2025) A mathematical framework for modelling order book dynamics, SIAM Journal on Financial Mathematics, 16:1, 123-166.
- R Cont, M Vuletic (2025) VOLGAN: a generative model for arbitrage-free implied volatility surfaces, Applied Mathematical Finance.
- R Cont, S Ghamami (2025) Skin in the Game: Risk Analysis of Central Counterparties. Journal of Financial Market Infrastructures
- R Cont, A Micheli, E Neuman (2025) Fast and Slow Optimal Trading with Exogenous Information. Finance and Stochastics, Vol. 29, 553–607.
2024
- R Cont, Ruhong Jin (2024) Fractional Ito calculus, Transactions of the American Mathematical Society, Ser. B 11, 727-761.
- R Cont, P Das (2024) Rough volatility: fact or artefact? Sankhya , B 86: 191--223.
- R Cont, Wei Xiong (2024) Dynamics of Market Making Algorithms in Dealer Markets: Learning and Tacit Collusion, Mathematical Finance, Volume 34, Issue 2, 467-521.
2023
- R Cont In memoriam: Marco Avellaneda (1955-2022), Mathematical Finance, Vol. 33, No. 1.
- R Cont, Milena Vuletic (2023) Simulation of arbitrage-free implied volatility surfaces, Applied Mathematical Finance, Vol. 30, No. 2, 94-121.
- R Cont, Mihai Cucuringu, Chao Zhang (2023) Cross-Impact of Order Flow Imbalance in Equity Markets. Quantitative Finance , Vol 23, Issue 10, pages 1373-1393.
- R Cont, Purba Das (2023) Quadratic variation and quadratic roughness, Bernoulli, Vol. 29, No. 1 (Feb 2023), 496-522.
- H Chiu, R Cont (2021) A model-free approach to continuous-time finance., Mathematical Finance, Vol. 33, No. 2, pages 257-273.
- R Cont, M Cucuringu, V Glukhov, F Prenzel (2023)
Analysis and Modeling of Client Order Flow in Limit Order Markets, Quantitative Finance, Vol. 23, No 2, 187-205.
2022
- H Chiu, R Cont (2022) Causal Functional Calculus. Transactions of the London Mathematical Society, Volume 9, No. 1
December 2022, 237-269.
- R Cont, P Das (2022) Quadratic variation along refining partitions: constructions and examples, Journal of Mathematical Analysis and Applications, Volume 512, 126173.
- Felix Prenzel, Rama Cont, Mihai Cucuringu, Jonathan Kochems (2022) Dynamic Calibration of Order Flow Models with Generative Adversarial Networks, ICAIF '22: 3rd ACM International Conference on AI in Finance, November 2022, pages 446--453.
2021
- R Cont, Wei Xiong (2021) Interactions of market making algorithms: a study on perceived collusion, ICAIF '21: Proceedings of the Second ACM International Conference on AI in Finance.
- R Cont, M Mueller (2021) A stochastic partial differential equation model for limit order book dynamics.
SIAM Journal on Financial Mathematics, Vol. 12 (2), 744 - 787.
- A Cohen, R Cont, A Rossier, Renyuan Xu (2021) Scaling properties of deep residual networks, International Conference on Machine Learning (ICML 2021).
- R Cont, A Kotlicki, R Xu (2021) Modelling COVID-19 contagion: risk assessment and targeted mitigation policies.
Royal Society Open Science, Volume 8, No. 3.
- R Cont, X Guo, R Xu (2021) Interbank lending with benchmark rates: Pareto optima for a class of singular control games.
Mathematical Finance Vol. 31.
2020
- R Cont, A Kalinin (2020) On the support of solutions of stochastic differential equations with path-dependent coefficients .
Stochastic Processes and their Applications, Vol. 130, Issue 5, May 2020, Pages 2639-2674.
- R Cont, A Kotlicki and L Valderrama (2020) Liquidity at Risk: Joint Stress Testing of Solvency and Liquidity. Journal of Banking and Finance. Volume 118, September 2020, 105871.
IMF Working Paper 20/082.
2019
- R Cont, N Perkowski (2019) Pathwise integration and change of variable formulas for continuous paths with arbitrary regularity,
Transactions of the American Mathematical Society (Series B), Volume 6, 161-186.
- R Cont, E Schaanning (2019) Monitoring indirect contagion, Journal of Banking and Finance, Volume 104, July 2019, Pages 85-102.
- Sirignano, J and Cont, R (2019) Universal Features of Price Formation in Financial Markets: Perspectives From Deep Learning, Quantitative Finance Vol. 19, No. 9, 1449-1459.
Featured in RISK Magazine (March 2018): Neural network learns universal model for stock-price moves.
2018
- H Chiu, R Cont (2018) On pathwise quadratic variation for cadlag functions,
Electronic Communications in Probability, Volume 23, paper no. 85.
2017
- A Ananova, R Cont (2017)
Pathwise integration with respect to paths of finite quadratic variation, Journal de Mathematiques Pures et Appliquees, Volume 107, No 6, June 2017, 737-757.
- R Cont (2017) Central clearing and risk transformation,
Financial Stability Review (Banque de France), No. 21, April 2017.
- R Cont, A Kukanov (2017) Optimal order placement in limit
order markets, Quantitative Finance, Volume 17, No. 1, 21-39.
2016
- R Cont, Yi Lu (2016) Weak approximations for martingale representations, Stochastic Processes and Applications, Volume 126, Issue 3, March 2016, Pages 857--882.
- R Cont, D.A. Fournie Functional Kolmogorov equations, in: V Bally, L Caramellino, R Cont (2016)Stochastic integration by parts and Functional Ito calculus, pages 183-207.
- H Amini, R Cont, A Minca: Resilience to contagion in financial networks,
Mathematical finance, Volume 26, Issue 2, pages 329--365, April 2016.
- R Cont: Functional
Ito calculus and functional Kolmogorov equations, in: V Bally et al. Stochastic integration by parts and Functional Ito calculus (Lectures Notes of
the Barcelona Summer School on Stochastic Analysis, Centro de Recerca de Matematica, July 2012), Birkhauser.
- R Cont, L Wagalath: Fire sale forensics: measuring
endogenous risk. Mathematical Finance, Volume 26, Issue 4
(Oct. 2016) 835-866.
- R Cont, L Wagalath (2016) Institutional investors and the dependence structure of asset returns. Int. J. Theor. Appl. Finance, Volume 19
(March 2016), 1650010-1650047.
- R Cont, A Minca (2016) Credit default swaps and systemic
risk, Annals Of Operations
Research, December 2016, Volume 247, Issue 2, 523-547.
- R Cont, L Wagalath (2016) Risk management for whales, RISK, June 2016.
2015
- A Bentata, R Cont: Forward equations for option prices in semimartingale models,
Finance and Stochastics, Volume 19, No. 3, 617-651, July 2015.
- R Cont (2015) The end of the waterfall: default resources of central
counterparties, Journal of Risk management in Financial Institutions, Vol. 8, No. 4.
2014
- R Cont, Th
Kokholm (2014) Central Clearing of OTC Derivatives: bilateral vs
multilateral netting, Statistics and Risk
Modeling, Vol 31, No. 1, 3-22, March 2014.
- R Cont, A Kukanov, S Stoikov (2014) The price impact of
order book events, Journal of Financial
Econometrics Vol 12, No 1, 47-88.
2013
- R Cont, D Fournie (2013) Functional Ito calculus and stochastic integral
representation of martingales, Annals of Probability, Vol 41, No 1, 109-133.
- R Cont, A de Larrard (2013) Price dynamics in a Markovian limit order book market,
SIAM
Journal for Financial Mathematics, Vol 4, No 1, 1-25, 2013.
- R Cont, R Deguest, XueDong He (2013) Loss-based risk
measures, Statistics and Risk
Modeling, Vol 30, No. 2, 133-167, June 2013.
- R Cont, R Deguest (2013) Equity correlations implied by index options: estimation
and model uncertainty analysis, Mathematical
Finance, Vol. 23, No. 3 (July 2013), 496--530.
- R Cont, A Minca (2013) Recovering Portfolio Default Intensities Implied by CDO
Quotes, Mathematical
Finance, Vol 23, 94-121 (2013).
- R Cont, A Moussa and E. B. Santos (2013) Network structure
and systemic risk in banking systems.
in: JP Fouque & J Langsam (eds.): Handbook of Systemic Risk,
Cambridge University Press, p 327-368.
- R Cont, L Wagalath (2013) Running for the exit: distressed selling and endogenous
correlation in financial markets. Mathematical Finance Vol 23, Issue 4, p.
718-741, October 2013.
- R Cont, Th Kokholm: A Consistent Pricing Model for Index Options and Volatility
Derivatives, Mathematical
Finance, Vol 23, Issue 2, pages 248-274, April 2013.
- Benoit Mandelbrot et la modélisation mathématique en
finance, Gazette des Mathématiciens No 136, 159-166 (April 2013).
2012
- H Amini, R Cont, A Minca: Stress testing the resilience of financial networks,
International
Journal of Theoretical and applied finance, Vol 15, (2012).
- R Cont, Cathrine Jessen: Constant Proportion Debt Obligations (CPDO): Modeling and
Risk Analysis, Quantitative
Finance, Vol 12, No 8, p 1199-1218.
- Amini H, Cont R, Minca A: Stress Testing the Resilience of Financial
Networks, in: Finance at Fields, Editor(s): Grasselli, Hughston, World
Scientific Publishing Company, 2012, Pages: 17-36, ISBN:9789814407885
2011
- R Cont : Statistical Modeling of High Frequency Financial Data:
Facts, Models and Challenges. IEEE
Signal Processing, Volume 28, No 5, 16-25 (2011).
- R Cont, YuHang Kan : Dynamic hedging of portfolio credit derivatives. SIAM Journal for Financial
Mathematics, Vol 2 (2011), 112-140.
- R Cont, N Lantos and Olivier Pironneau: A reduced basis method for
option pricing, SIAM Journal for
Financial Mathematics, Vol 2 (2011), 287-316.
- R Cont, C Mancini: Nonparametric tests for the pathwise properties of
semimartingales, Bernoulli,
Vol 17, No 2, 781-813 (2011).
2010
- R Cont, D Fournié Change of variable formulas for non-anticipative functional
on path space, Journal of Functional
Analysis, 259 (2010) 1043-1072.
- R Cont (2010)Credit
default swaps and financial stability, Financial Stability Review (Banque de France),
No 14, 35-43, July 2010.
- R Cont, S Stoikov and R Talreja: A stochastic model
for order book dynamics, Operations
Research, Volume 58, 549-563.
- R Cont, R Deguest and G Scandolo: Robustness and
Sensitivity Analysis of Risk Measurement Procedures, Quantitative
Finance, Vol. 10, No. 6, June–July 2010, 593–606.
- R Cont, M Loewe (2010)Social
distance, heterogeneity and social interactions. Journal of Mathematical Economics, Volume 46, 572-590,
2010.
- R Cont, R Deguest and Yu Hang Kan: Default Intensities implied by CDO
Spreads: Inversion Formula and Model Calibration, SIAM Journal of Financial
Mathematics, Volume 1, pp. 555-585 (2010)..
- Model
Calibration, in: Encyclopedia
of Quantitative Finance, Wiley (2010), pages 1210-1219.
- Credit
Default Swaps, in: Encyclopedia
of Quantitative Finance, Wiley (2010), pages 424-431.
2009
- R Cont, D Fournié (2009) A functional extension of the Ito formula , Comptes Rendus Mathematiques de l'Academie des
Sciences, Volume 348, Issue 1-2, 57-61.
- R Cont, P Tankov (2009) Constant
Proportion Portfolio Insurance in presence of jumps in asset prices, Mathematical
Finance, Vol. 19, Issue 3, pp.
379-401, July 2009.
- Les statistiques face aux événements
extremes (in French) Pour La Science, Dec 2009.
2008
- R Cont, Emily Tanimura (2008) Small
world graphs: characterization and alternative constructions, Advances
in Applied Probability, Volume 40, no 4 (December 2008), 939-965.
- R Cont, Ioana Savescu (2008): Forward equations for portfolio
credit derivatives, in: R Cont (ed.): Frontiers
in Quantitative Finance: credit risk and volatility modeling,
Wiley, 269-293.
- La modélisation mathématique des
risques financiers (in French) Pour La Science, Dec 2008,
24-27.
2007
- R Cont, P Tankov, E Voltchkova (2007) Hedging with options
in presence of jumps, in : Benth, F.E.; Di Nunno, G.; Lindstrom, T.;
Oksendal, B.; Zhang, T. (Eds.) Stochastic
Analysis and Applications: The Abel Symposium 2005 in honor of Kiyosi
Ito, Springer, 197-218.
- R Cont (2007)Volatility clustering in financial markets,
in: A Kirman & G Teyssiere (Eds.): Long memory in
economics, Springer, 289-310.
- Model-free representation of pricing rules as
conditional expectations, in: Stochastic
processes and applications to mathematical finance, Proceedings of the
6th Ritsumeikan International Symposium, World Scientific (2007), p 53-66.
With: Sara Biagini.
- La notation de credit des produits
structures (in French) Echanges , Dec 2007, 69-72.
2006
- Model uncertainty and its impact on derivative
instruments,
Mathematical Finance, Vol 16, 519-542, July 2006.
- R Cont, P Tankov (2006) Retrieving Lévy processes
from option prices: regularization of a nonlinear inverse problem.
SIAM Journal of Control and Optimization, 45, 1, 1-25.
- R Cont, E Voltchkova: Finite difference methods for
option pricing in jump-diffusion and exponential Levy models. SIAM Journal of
Numerical Analysis, Vol 43, No. 4, pp. 1596-1626.
2005
- Modeling term structure dynamics: an infinite
dimensional approach,International Journal of Theoretical and
Applied Finance, Vol 8, No 3, p 1-24 (2005).
- R Cont, S Ben Hamida: Recovering volatility from option prices by
evolutionary optimization. Journal of Computational Finance,
Vol. 8, No 3, 43-76.
- R Cont, E Voltchkova (2005) Integrodifferential equations for option prices
in exponential Lévy models, Finance & Stochastics, Volume 9,
Number 3, 299-325.
- Long range dependence in financial time series,
in: E Lutton & J Lévy Vehel (Eds.): Fractals in Engineering,
Springer, 2005.
- R Cont, F Ghoulmie and JP Nadal (2005) Heterogeneity and feedback in an agent-based market model, Journal of Physics: Condensed Matter 17 (2005) S1259-S1268.
2004
- R Cont, P Tankov (2004)Nonparametric calibration of jump-diffusion
processes, Journal of Computational Finance, Vol .7, No 3,
1-49.
- R Cont, P Tankov, E Voltchkova (2005)Option pricing models with jumps:
integrodifferential equations and inverse problems.in: P Neittanmaki et
al (Eds.): European Congress on Computational Methods in Applied Sciences and Engineering (ECCOMAS 2004).
2002
- R Cont, J Da Fonseca, V Durrleman: Stochastic models of implied volatility
surfaces, Economic Notes, vol. 31, No. 2, 361 - 377.
- R Cont, Jose da Fonseca: Dynamics
of implied volatility surfaces,Quantitative
Financs, Vol 2,
No 2, ( 2002 ) 45-60.
2001
- Empirical properties of asset returns: stylized
facts and statistical issues in: Quantitative
Finance, Vol 1, No 2, (March 2001) 223-236.
20-th century
- Herd behavior and aggregate fluctuations in
speculative markets, Macroeconomic
dynamics, Vol. 4, No.2, 170-196 (with: J.P. Bouchaud).
- JP Bouchaud, R Cont, N ElKaroui, N Sagna, M Potters.Phenomenology of the interest rate curve: a
statistical analysis of term structure deformations", Applied Mathematical Finance, Vol. 6, No. 3 (Sept 1999), 209-232.
- Are financial crashes predictable?, Europhysics
Letters, Vol. 45, No. 1, pp. 1-5 (1999). With: JP Bouchaud, M Potters and L
Laloux.
- Modeling economic randomness: statistical
mechanics of market phenomena, in: M Batchelor, L Wille (Eds.): Statistical Physics
in the 21st century, World Scientific: 1998.
- J-Ph Bouchaud, R Cont: "A Langevin approach to
stock market fluctuations and crashes", European Physical Journal B
6 (1998) 4, 543-550.
- Des marches
aléatoires aux marchés aléatoires: modélisation statistique des
fluctuations boursieres. Doctoral thesis, Université de Paris IX.
- R Cont, D Sornette: Convergent multiplicative processes repelled from zero:
power laws and truncated power laws, Journal de Physique I , Vol. 7,
March 1997, 431-444.
- J-Ph Bouchaud, R Cont, M Potters (1997) Scaling in stock market data: stable
laws and beyond, in: B. Dubrulle, F. Graner, D. Sornette
(Eds.):Scale invariance and beyond, Springer.
Introduced the class of `tempered stable' Lévy processes in financial modelling.