Historical data
Quant funds tackle chronic overfitting in crypto strategies
Firms adapt backtests and tread lightly to address “huge” overfitting risk, magnified by scarce data
Citi leads US banks in shrinking market risk
First aggregate drop in capital charges stemming from market risk since mid-2020
BNY Mellon incurred a VAR breach in Q2
The highest losses-to-VAR ratio was 145.75%, in the first backtesting exception reported by the bank since 2018
Goldman’s market RWAs grew $14.9 billion in Q1
The increase was largely due to higher VAR and SVAR measures
Fake data can help backtesters, up to a point
Synthetic data made with machine learning will struggle to capture the caprice of financial markets
In fake data, quants see a fix for backtesting
Traditionally quants have learnt to pick data apart. Soon they might spend more time making it up
Model misfires raise questions over training data
Quants wrestle with how far into the past their machine learning models should peer
Factoring in Covid turmoil amped Bank of America's VAR in Q3
Value-at-risk averaged $109 million over three months to end-September
FRTB comes too late for Covid crisis
Expected shortfall would stop Basel 2.5 duplicate capital charges, but backtesting still a problem
Funds try to predict behaviour of mystery investors
New EU rules on liquidity stress-testing force fund managers to hunt out clues on investors
Top 10 op risks 2020: data compromise
Hackers, thieves and wobbly in-house data management keep this category near the top of the list
Fuzzy data stalls ESG alpha hunt
Quants searching for ESG signals have reached very different conclusions. Mostly they blame the data
Signing the Libor fallback protocol: a cautionary tale
As Orwell’s Room 101 beckons for Libor publication, muRisQ Advisory’s Marc Henrard warns of a potential pitfall in the fallback protocol
Cat risk: why forecasting climate change is a disaster
Forecasters are poles apart on climate-driven catastrophes; insurers fear worse ahead
EU banks grapple with NMRF proposals for volatility models
EBA options for lighter capital treatment of parametric curves could prove impractical
The future of emerging markets – 30 years on from the launch of the MSCI Emerging Markets Index
For the past 30 years, emerging markets have provided return enhancement and risk diversification opportunities for global equity investors. The opening of the domestic Chinese capital market and its integration into international markets is likely to…
Evaluating the impact of Libor fallback
The planned discontinuation of Libor and other interbank offer rates (Ibors) in 2022 will affect a large number of existing financial contracts based on these benchmarks. According to some estimates, Libor-based contracts – such as interest rate swaps,…
A helping hand – Addressing industry concerns
The Basel Committee on Banking Supervision’s final revisions to the FRTB guidelines aim to address industry concerns around complexity and capital implications. A forum of industry leaders discusses whether the changes have been effective and how banks…
All along the watchtower – Surveillance tools against market abuse
Surveillance tools against market abuse are enjoying a technological revolution in analytics, while anxious supervisors are also closing in on market practices. Risk.net hosted a webinar in association with NICE Actimize to analyse the threats and…
Top 10 operational risks for 2019
The biggest op risks for 2019, as chosen by industry practitioners