The Ethereum Foundation has adopted a dual-variable treasury formula to manage risk, tying operational spending to 15% of its treasury and targeting a 2.5-year fiat reserve buffer to guide ETH sales and maintain financial stability

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The policy introduces a formal asset-liability model that ties operational spending to a fixed percentage of the foundation’s treasury and a multi-year reserve runway.
To manage risk, the foundation has adopted a dual-variable treasury formula that calculates fiat reserve needs by multiplying a fixed annual operating expense target, currently set at 15%, by a 2.5-year runway.
Current targets stand at A = 15% of treasury for annual opex and B = 2.5 years.