London bureau chief
Helen Bartholomew is London bureau chief for Risk.net.
She has written on a range of derivatives and markets topics including benchmark reform, margin rules, equity derivatives and structured products. Prior to joining Risk.net, she was derivatives editor for International Financing Review, part of Thomson Reuters, where she previously reported on debt and equity capital markets.
Helen holds a bachelor’s degree in anthropology from the University of Durham, UK.
Concerns over one-sided market for term SOFR swaps prompts review of ‘scope of use’ guidelines
Liquidity flips to RFR but laggards struggle with behavioural quirks for contracts referencing overnight rates
Lack of inflation experience on risk teams not a concern, buy-siders say
UK regulator has resisted calls for a synthetic fallback for legacy dollar contracts
Pre-prepared docs would cut unnecessary account fees and reduce risk of trading halts
Rising cost of issuer cross-currency hedges could spur greater adoption of euro risk-free rate
Single stock ‘micro’ hedges have offered more protection in this year’s selloff
Three-quarters of phase six firms do not expect to exchange margin for at least six months
David Mathers was also CEO of the swap dealer entities that housed the bank’s trades with Archegos
KOR Financial expects 30–50% cost savings as participants prepare to adopt US rule rehash
Strict collateral reuse guidelines may restrict popular investment vehicles’ hedging capabilities
Index in ‘peak vega’ peril despite Wednesday's 12.5% rebound
Around 100 programmes hang in the balance after BNY Mellon resigns as depository bank for VTB
Isda plans to issue guidance on the application of commonly used disruption event clauses
Lawyers say western banks face illegality terminations; industry groups plan deliverable ruble workaround
IHS Markit makes benchmarks available for live products; Invesco appointed as Axi administrator