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JP Morgan warns hedge funds to expect intraday margin calls

Reported by Risk
Jul 13, 2021· 2 min read
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Key Takeaways
  • • JP Morgan's prime brokerage division is implementing intraday variation margin calls up to seven times daily, a significant tightening of credit risk management following the Archegos Capital Management collapse.
  • • The policy affects hedge funds and family offices, requiring clients to post additional cash throughout the trading day when positions decline in value rather than settling margin requirements only at day-end.
  • • This represents a structural shift in how major prime brokers manage counterparty risk, with JP Morgan leading the enforcement of stricter liquidity controls in response to the Archegos default and its systemic implications.
Summary
JP Morgan has notified hedge fund and family office clients that the bank will demand variation margin calls multiple times throughout the trading day, marking a significant tightening of prime brokerage credit practices. The announcement, made to clients of JP Morgan's prime brokerage division in the aftermath of Archegos Capital Management's collapse, signals the bank's intent to reduce exposure to sudden market movements and trader leverage.

Historically, prime brokers have settled margin requirements at day-end or on a less frequent basis. Under JP Morgan's new protocol, the bank reserves the right to demand additional cash collateral up to seven times per trading day if client positions experience unrealized losses. This intraday variation margin requirement forces hedge funds and family offices to maintain significantly higher liquidity buffers and actively manage their cash positions throughout each session.

The policy reflects lessons learned from the Archegos default, which exposed gaps in real-time risk monitoring and the dangers of concentrated leverage across multiple prime brokers. By demanding more frequent margin adjustments, JP Morgan is shifting default risk mitigation from end-of-day settlement windows to continuous intraday monitoring, effectively requiring clients to demonstrate liquidity resilience during volatile trading sessions.

For institutional investors and hedge fund managers, this change carries operational implications: trading strategies must accommodate unexpected margin calls, cash management becomes more complex, and the cost of doing business with JP Morgan's prime brokerage increases through higher operational friction. The move may prompt other major prime brokers to adopt similar practices, reshaping industry norms around leverage and collateral management.

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Sources

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Risk JP Morgan warns hedge funds to expect intraday margin calls