Banking
Volatility shape-shifters: arbitrage-free shaping of implied volatility surfaces
Manipulating implied volatility surfaces using optimal transport theory has several applications
The carbon equivalence principle: minimising the cost to carbon net zero
A method to align incentives with sustainability in financial markets is introduced
Leveraged wrong-way risk
A model to assess the exposure to leveraged and collateralised counterparties is presented
Neural joint S&P 500/VIX smile calibration
A one-factor stochastic local volatility model can solve the joint calibration problem
Pricing the transition of Scope 3 emissions
A framework to measure banks’ costs associated with carbon emissions is proposed
Analytic risk-free rates option pricing with smile and skew
An arbitrage-free short-rate model for backward-looking compounded rates is presented
Smile-consistent basket skew
An analytic approximation for the implied volatility surface of basket options is introduced
A robust stochastic volatility model for interest rates
A swaption pricing model based on a single-factor Cheyette model is shown to fit accurately
How a machine learning model closed a hidden FX arbitrage gap
MUFG Securities quant uses variational inference to control the mid volatility of options
Does the term structure of the at-the-money skew really follow a power law?
A power law can fit the ATM skew, but struggles with short maturities
Obtaining arbitrage-free FX implied volatility by variational inference
An ML-based algorithm that provides implied volatilities from bid-ask prices is proposed
The factor Heath-Jarrow-Morton term structure
A framework for rates that links real-world and risk-neutral measures is presented
The quintic Ornstein-Uhlenbeck model for joint SPX and VIX calibration
A new model that jointly fits the smiles of VIX and SPX is presented
Information geometry of risks and returns
An innovative product design framework and its geometric interpretation is introduced
A model for small basket equities financing
A haircut model for equity baskets based on credit and equity indexes is introduced
The carbon equivalence principle: methods for project finance
A method to price the environmental impact of financial products is proposed
Funding, wealth transfer and financial stability in the post-Libor era
Adjusting RFR with a funding premium may aid economic growth and stability
Dealing with multi-currency inventory risk in FX cash markets
A market-making model that considers correlation, transaction costs and market impact is presented
Momentum transformer: an interpretable deep learning trading model
An attention-based deep learning model for trading is presented
CMS pricing: overdue annuities
An RFR-based pricing and risk management model for CMS and its derivatives is presented