# Maturity profile

InfinityPools’ option and loan maturity are exponential with a half life of one day.

Despite this, traders have constant exposure to ETH/USD. This is achieved by continuously rolling over both the margin trade and the option as they expire.

So, why use an exponential maturity instead of a more conventional one day maturity?

Having an exponential maturity means that all options expire on the same schedule, no matter when they were created. This eliminates fragmentation across expiries.

It mitigates certain types of attacks known as MEV in crypto (similar to HFT trading strategies such as frontrunning) that would otherwise happen if the margin trading assets had to be swapped over at a predetermined time every day.

The math for pricing exponentially maturing margin and option trades works out incredibly well. In our simulations, InfinityPools' equations priced trades more accurately and more efficiently (cheaper computationally) than Black-Scholes.

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