According to grey release official data, its Optimism trust fund, Grayscale Optimism Trust, has a management fee of 2.5% and will use the CoinDesk Optimism Price Index (AAVE) to provide a reference exchange rate in US dollars for the spot price of Grayscale Optimism Trust. In addition, as of December 11, Grayscale Optimism Trust's asset management reached $108,802.57, with a net value of $11.70 per share.