What is BTC 2x Flexible Leverage Index (BTC2XFLI)?

Quick Facts

  • Issuer: Index Coop, in collaboration with DeFi Pulse (Pulse, Inc.)
  • Blockchain: Ethereum mainnet (ERC-20)
  • Target exposure: 2x long leverage on Bitcoin (BTC)
  • Built on: Set Protocol
  • Rebalance frequency: Every 24 hours
  • Lending integration: Compound Finance
  • Streaming fee: 1.95% annually, plus 0.1% on minting/redemption

Introduction

The BTC 2x Flexible Leverage Index (BTC2XFLI) is a structured DeFi product that gives holders automated 2x leveraged exposure to Bitcoin. Rather than manually managing a leveraged position, users simply hold a single ERC-20 token and let the protocol handle everything underneath.

It was created by Index Coop and methodologically designed by Pulse, Inc. (DeFi Pulse) to make Bitcoin leverage accessible, efficient, and safer than traditional approaches.

History & Background

Index Coop launched BTC2XFLI as an extension of its Flexible Leverage Index (FLI) suite, which first debuted with an Ethereum-based product (ETH2x-FLI). Recognizing Bitcoin as the most widely traded crypto asset, the team expanded the FLI methodology to cover BTC, bringing the same automation-first philosophy to Bitcoin leverage in 2021.

The product was built on Set Protocol, a battle-tested asset management infrastructure on Ethereum, which underpins Index Coop's entire product line.

How BTC 2x Flexible Leverage Index Works

BTC2XFLI abstracts a collateralized debt position (CDP) into a simple, tradeable token. The index borrows against deposited collateral on Compound Finance to amplify BTC exposure to approximately 2x.

Key mechanics include:

  • Automated rebalancing every 24 hours to maintain the target leverage ratio
  • Flexible leverage bounds: defined minimum and maximum leverage ratios prevent extreme drift
  • Re-centering speed: a tunable parameter that smoothly returns leverage back to the 2x target after market moves
  • Emergency deleveraging: a safety circuit that rapidly reduces leverage during black swan events

Because the leverage is fully collateralized rather than synthetic, it offers a stronger risk profile compared to perpetual futures or other synthetic products.

Tokenomics

BTC2XFLI is an ERC-20 token on Ethereum. It can be minted and redeemed at any time against its underlying components (wBTC and USDC), ensuring it is always redeemable for fair value.

The economic model includes a 1.95% annual streaming fee and a 0.1% fee on minting and redemption. These fees are considerably lower than leverage costs on centralized exchanges and avoid the ongoing funding rates typically charged by perpetual futures platforms.

Circulating supply ? 53,479 BTC2XFLI
Total supply ? 53,479 BTC2XFLI
Max supply ? -- BTC2XFLI
Updated 23h ago

Ecosystem & Use Cases

BTC2XFLI was tradeable on TokenSets and decentralized exchanges such as SushiSwap. Its ERC-20 format gives it full composability, meaning it can be integrated into other DeFi protocols, yield aggregators, or used as collateral in compatible platforms.

It is designed for traders seeking straightforward Bitcoin leverage without the overhead of actively managing a loan, monitoring health ratios, or risking abrupt liquidations.

Team, Governance & Community

Index Coop is a decentralized autonomous organization (DAO) governed by holders of the INDEX token. Major decisions — including parameter changes and product launches — go through community governance via Index Improvement Proposals (IIPs).

The FLI methodology was developed in partnership with Pulse, Inc., and all smart contracts have been audited by leading security firms including OpenZeppelin and ABDK. An active bug bounty program through Immunefi provides ongoing security coverage.

Advantages

  • Automated management: No need to monitor collateral ratios or act during volatile markets
  • Liquidation protection: Emergency deleveraging and flexible leverage bounds sharply reduce liquidation risk
  • Full collateralization: Backed by real assets (wBTC, USDC), not synthetic exposure
  • Composability: As a standard ERC-20, it integrates seamlessly with the broader DeFi ecosystem
  • Low fees: Streaming fee is significantly cheaper than centralized leverage alternatives

Risks & Challenges

  • Leverage risk: 2x leverage amplifies losses as well as gains; adverse BTC moves are magnified
  • Volatility decay: In choppy markets, leveraged tokens can underperform due to daily rebalancing costs
  • Smart contract risk: Dependence on Set Protocol, Compound Finance, and Index Coop contracts introduces layered technical risk
  • Fee drag: The streaming fee and rebalancing costs reduce net returns over long holding periods
  • Rebalance slippage: Large market moves between rebalance windows can temporarily push leverage beyond the target ratio

Long-Term Vision

BTC2XFLI represents Index Coop's commitment to making sophisticated financial strategies accessible on-chain without sacrificing transparency or decentralization. As the DeFi ecosystem matures, the FLI methodology underpinning BTC2XFLI is designed to evolve — with governance-driven parameter updates, potential integration with new lending protocols, and expansion to additional networks — continuing to simplify leverage for a broad range of on-chain participants.

Frequently Asked Questions

BTC2XFLI stands for BTC 2x Flexible Leverage Index. It is an ERC-20 token on Ethereum that targets approximately 2x leveraged exposure to the price of Bitcoin.

BTC2XFLI was created by Index Coop, a decentralized autonomous organization, with the FLI methodology developed in collaboration with Pulse, Inc. (formerly DeFi Pulse). It is built on Set Protocol infrastructure.

The token automatically rebalances every 24 hours using a defined algorithm that adjusts the collateralized debt position on Compound Finance. Flexible leverage bounds and a re-centering mechanism keep the leverage ratio near the 2x target.

Yes. BTC2XFLI uses real collateral assets (wBTC and USDC) rather than synthetic leverage, which gives it a stronger risk profile. It can be redeemed for its underlying components at any time.

There is a 1.95% annual streaming fee and a 0.1% fee charged upon minting or redemption. These fees are generally lower than leverage costs on centralized exchanges.

BTC2XFLI has an emergency deleveraging mechanism that can rapidly reduce the leverage ratio during black swan events. This provides an additional layer of protection for holders beyond the standard daily rebalancing.

BTC2XFLI is native to Ethereum mainnet and integrates with Compound Finance, rebalancing every 24 hours. BTC2x-FLI-P is a separate Polygon-native product that uses Aave and rebalances every 4 hours due to lower network fees.

BTC2XFLI falls under the governance of Index Coop, a DAO where INDEX token holders vote on product parameters and upgrades through Index Improvement Proposals (IIPs). Key decisions such as supply cap changes require community approval.