Implied volatility
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 quintic Ornstein-Uhlenbeck model for joint SPX and VIX calibration
A new model that jointly fits the smiles of VIX and SPX is presented
Zero-day spikes vanish as bank worries exceed inflation fears
Implied volatility for short-dated options points to shift in sentiment after SVB failure
Zero-day options and the shadow of the apocalypse
For some, 0DTEs could spell doom in adverse market conditions; others dismiss such talk as dramatics
‘Spectacular’ vol disconnect ‘ominous’ for risk assets
Historic divergence has caught the eye of Boaz Weinstein and others
Rising star in quantitative finance: Sigurd Emil Rømer
Risk Awards 2023: Doctoral dissertation outlines more efficient way to simulate rough volatility models
Podcast: Zetocha on mini-futures (not those) and illiquid options
Julius Baer equity quant revels in solving problems for the trading desk
The real deal: the challenge of real interest rates
Understanding real interest rate dynamics as inflation transitions is vital, say Crédit Agricole traders
Trading the vol-of-vol risk premium
Applications of the vol-of-vol parameter for cross-asset derivatives are presented
Critical divergence in prices between Spikes and Vix after the Fed’s rate hike
In these uncertain times, when rates hikes and other structural drivers are giving rise to adverse market moves, reliable indicators of 30-day implied volatility are crucial
Analytical conversion between implied volatilities based on different dividend models
The authors propose an explicit formula for the conversion of implied volatilities corresponding to dividend modelling assumptions which covers a wide range of strikes and maturities.
A new approach to marking volatility of illiquid options
Julius Baer quant’s arbitrage-free solution overcomes challenge of sparse data
Sculpting implied volatility surfaces of illiquid assets
From the stock cumulative distribution function an arbitrage-free volatility surface is derived
‘Perfect’ VKO trades knock the smile off vol
Dealer hedging of options which profit from ‘spot down, vol down’ may have amplified rare dynamic
UK budget gives sterling options traders a wild ride
Reaction to tax cuts sparks most active week for GBP/USD options traders since Brexit negotiations
Deep calibration of rough volatility models
Rough vol models are calibrated and fitted to SPX and Vix smiles
A child of inflation: BNPP’s new macro trading unit
Talking Heads 2022: Currency and rates traders join forces at French bank as it plans to bring FX algos to US Treasury bonds
Return of volatility revs up FX options market
Macro disruption hikes volatility for eager dealers, however liquidity and spread compression remain a concern
Future portfolio returns and the VIX term structure
The authors use a measure that captures the expected evolution of risk and generate results supportive of the concept that there are multiple facets within volatility risk that are priced individually.
Linking performance of vanilla options to the volatility premium
A framework to account for vanilla options' performance in trading strategies is presented
Swap rate: cash-settled swaptions in the fallback
A fallback pricing method that reduces vanilla swaptions’ complexity is introduced
Reviving the lost art of perturbation for exotic pricing
Natixis quants find novel way to speed up volatility smile modelling