
Helen Bartholomew
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.
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Articles by Helen Bartholomew
Bankers feeling even more bullish after tariff selloff
Risk Live: “This is a powerful bull market that has legs to run,” says former Credit Suisse CIO
Investment firms ready plans for US autocallable ETFs
Evergreen format would provide the long-term track record required by portfolio allocators
Emir rule delay leaves Simm paperwork gathering dust
Mid-year refresh triggers Emir 3.0 authorisation process despite unfinished regulatory standards
Did tariff rout expose ‘autocallification’ in US dividend futures?
Bank of America cites curve flattening and beta surge as evidence of autocall hedging
Back-to-back hedging is back on the table for autocall issuers
Deal activity is picking up as prop shops compete with hedge funds for structured products risk
Novel risk-off CTA strategy passes tariff test
Ai for Alpha’s defensive approach to trend following worked as planned in April turmoil
SG’s Ungari swaps research for structuring in new QIS role
Veteran researcher and strategist ‘putting things into action’ with new remit
Repo clearing rule could raise SOFR volatility – OFR analysts
Analysis of 2022 data finds large divergence in tail rates but no change in median
The end of the world, or an artificial crisis?
Bimodal tariff threat leaves investors grappling with uncertainty
Hedging playbook goes ‘out the window’ as Trump tariffs slam markets
Dispersion, put spreads and VKOs paid off as stocks plunged, but outlook remains wildly uncertain
Commodity price insurance, an alternative to swaps?
ChAI founder eyes metals and power for expansion after selling first hedges for recycled materials
Hedge funds flock to hybrids to trade macro uncertainty
Firms repurpose structure made popular by Trump trades last year
JP Morgan QIS notionals hit $100bn
Dealer sees 15% annual growth in ‘imperfect’ notional measure, eyes rates and FX for next phase