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.
Follow Helen
Articles by Helen Bartholomew
Power to the people: US bourse bets on retail rush into swaps
Eris Exchange hopes retail access to its swap futures will usher in new era of swaps for all
Equity derivatives now biggest consumer of initial margin
Fragmented product set is 1.3% of OTC notional but attracts more margin than rates and forex
Brexit: banks take the ‘no’ out of novations
Swaps clauses stop end-users blocking counterparty switch, making it easier to move trades to EU affiliates
Month of higher vol spurs equity derivatives trading
Turmoil benefits total return futures, cross-asset arbitrage and dispersion
Old dispersion product signals new vol regime
Return of pre-crisis, ‘theta-flat’ trades an early sign of shifting volatility expectations