Articles by Helen Bartholomew
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
Disappearing dealer gamma spurs wild stock swings
Stock market selloff leaves dealers perilously close to peak short gamma positioning
QIS 3.0 ‘bonanza’: hedge funds pivot from options to swaps
Pod-level scramble for max-loss exposure gives way to central risk books seeking overlays
Eurex squashes butterflies with Stir incentives
Rebate caps on low-risk strategies flatten mid-curve bulge in €STR contracts
Volatility selling is down, but not out
Shrinking risk premiums could end cycle of vol suppression, traders say – but not just yet
CFTC acting chair: ‘We don’t need a Dodd-Frank for crypto’
US regulator wants real-time market surveillance; focuses on rise of liquidity risk
Fate of US Treasury clearing deadline to be decided at crunch meeting
Isda chief predicts delay as clearing houses await confirmation of go-live dates
AI and Trump tariffs spur hyped-up dispersion trade
Popular vol strategy pays off in January despite highest entry costs on record
Reverse dispersion gains traction as implied spread jumps
Inverted strategy on Euro Stoxx 50 gains popularity for profit-taking and correlation play