ETH 2x Flexible Leverage Index (ETH2x-FLI)
ETH2x-FLI is native to Ethereum main net

The ETH 2x Flexible Leverage Index abstracts collateralized debt management into a simple index, reproducible by an ERC20 token built on Set Protocol. ETH2x-FLI enables you to get leveraged exposure to Ether using collateralized debt, without having to manage collateralized debt positions or monitor liquidation risks.
The methodologist behind the FLI is Pulse Inc. (DeFi Pulse).