BULK launches SPAN-inspired portfolio margin engine reducing collateral requirements by up to 69% for DeFi traders.
DeFi & Yields ·
BULK has introduced a portfolio margin engine modeled on SPAN methodology that reduces collateral requirements by as much as 69% for decentralized finance traders. The system brings centralized exchange-grade risk management to onchain trading, allowing market participants to optimize capital efficiency across multiple positions simultaneously.
The mechanics work by netting correlated exposures across a trader's portfolio rather than requiring collateral against each position in isolation. In a concrete example, a $200,000 bitcoin and ether hedge that would normally demand $4,005 in margin can be maintained with $1,234 under the new engine—a reduction that particularly benefits basis desks and market makers who run complex, multi-leg strategies. This approach mirrors how traditional centralized exchanges calculate risk, applying institutional techniques to DeFi's permissionless environment.
The protocol update remains early-stage; details on implementation timeline, smart contract audits, and integration with specific DeFi venues have not yet been disclosed. Whether the system can scale reliably under volatile market conditions and how liquidation mechanics will perform under stress remain open questions for traders considering adoption.