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
Why Isda ditched ‘off-cycle’ updates for Simm
Ad hoc updates riled industry, while regulators pushed for predictability in model recalibrations
Bloomberg consults on BSBY cessation
Credit-sensitive Libor replacement faces 12-month run-off after damning Iosco verdict
CSRs fight for survival after ‘damning’ Iosco verdict
Standard-setter accused of ignoring its own principles and failing to back up its conclusions
Iosco criticism dents AFX’s plans for Ameribor derivatives
SOFR alternative continues to be widely used to price regional bank loans
Iosco deals hammer blow to BSBY, Ameribor
Non-compliance ruling does not equate to a ban, but may strangle use by regulated firms
Refinitiv beefs up term €STR with cleared LCH swaps
Use of OIS transaction prices reflects data-sufficiency worries and euro-market desire for T+1 publication
As Libor ends, credit-sensitive rates face day of reckoning
Iosco to issue compliance verdict on Ameribor and BSBY as transition deadline looms
Euro Axi rate proposed as Euribor fallback
New study lays groundwork for euro version of across-the-curve credit spread index
Japan autocall curbs upend Nikkei vol
Lack of reinvestment alongside FSA review forces scramble to buy back hedges as products knock out
EU active account rule may impose costly CCP basis
Buy-siders say end-users could be forced into volatile Eurex/LCH basis at the worst time under EU proposals
Regulatory confusion clouds first annual IM recalculation
Firms dropping out of scope may need to continue posting non-cleared margin in some jurisdictions
Risk managers warn of emerging geopolitical crisis in Asia
Risk Live: Rising political tension between China and Taiwan has bank risk management teams on high alert
Forced CS merger casts doubt on use of resolution regimes
Risk Live: Spreads on European AT1 bonds still wider than before March bail-in
Simm’s first off-cycle rejig hits non-cleared rates
Recalibration lifts initial margin for some products by 37% after year-end volatility forces update
Regional banks face soaring term SOFR spreads
Bid/offers hit 10bp as dealers price counterparty risk into non-cleared Libor transition trades
CCPs mull collateral options amid debt ceiling deadlock
Isda AGM: Raising haircuts and minimum maturities are among measures on the table to avoid a cliff-edge
Easing of trading curbs is no quick fix for term SOFR swaps
ARRC’s new guidelines will do little to improve liquidity, but may keep a lid on spiralling basis
How MerQube sold Wall Street on open indexing relationships
Four-year-old Silicon Valley firm sees growing role for third parties as indexes become more complex
BME in talks with global banks over euro swaps clearing
SIX Group's Spanish CCP wants to establish itself as an alternative venue for onshore clearing by 2025
Brains beat backtests in a tough year for FIA indexes
Four of the top 10 benchmarks in 2022 were based on the economic theories of prominent academics
Eurex-LCH basis hits new highs amid rates vol
10-year price gap spikes to 4bp as 30-year whipsaws; Eurex gauge indicates stable flow balance
Emmi seeks to ditch ‘expert judgement’ in Euribor overhaul
Q3 consultation would centralise Level 3 submissions with administrator in bid to expand panel
Is Euribor on borrowed time, or here for the duration?
As €STR gains traction, traders are still hedging their bets on a euro benchmark transition
Swaps market braces for $60 trillion Libor conversion
Staggered timeline should smooth transition, but scale of the switch still presents challenges