Supply Boost APY reflects the additional liquidity mining reward yield in AGF tokens that you get on top of Supply Reward APY for staking AGF tokens. Get additional rewards (Boost APY) for all types of transactions (supply, borrow, stake) via staking AGF tokens: get xAGF tokens for staking AGF tokens. The longer staking period you choose, the more xAGF tokens you get. You can boost your liquidity mining rewards up to 4x.