Frax Finance ¤
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  • Frax Ecosystem Overview
  • FXS & veFXS
    • Frax Shares (FXS)
    • veFXS
    • Gauges
    • FXS Distribution
    • FXS Smart Contract & Addresses
  • GOVERNANCE
    • Frax Governance Overview
    • How It Works
    • Advanced Concepts
    • Fraxtal Snapshot Voting
  • FRAX V1 - ORIGINAL
    • Original Design
    • Staking Contracts
    • FRAX ABI & Token Addresses
    • Frax V1 Pool ABI & Addresses
    • Core Frax Multisigs
  • FRAX V2 - Algorithmic Market Operations (AMO)
    • AMO Overview
    • AMO Minter
    • Collateral Investor
    • Curve
    • Uniswap v3
    • FRAX Lending
    • Decentralization Ratio (DR)
  • FRAX V3 - 100% CR AND MORE
    • Overview
    • Fraxtal
    • AMOs
    • RWAs
    • sFRAX
    • FXBs
    • sFRAX Token Addresses
    • sFRAX & FXB Multisigs
  • Bridging
    • Fraxferry
    • LayerZero x Stargate
    • Fraxtal Bridge
  • Frax Price Index
    • Overview (CPI Peg & Mechanics)
    • Frax Price Index Share (FPIS)
    • FPIS Distribution
    • CPI Tracker Oracle
    • FPI Controller Pool
    • veFPIS
    • FPIS Conversion / FPIS Locker
    • FPI and FPIS Token Addresses
    • FPI Multisigs
  • Fraxswap
    • Overview
    • Technical Specifications
    • Fraxswap Contract Addresses
  • Fraxlend
    • Fraxlend Overview
    • Key Concepts
    • Lending
    • Borrowing
    • Advanced Concepts
      • Position Health & Liquidations
      • Interest Rates
      • Vault Account
    • ABI & Code
    • Fraxlend Multisigs
  • Frax Ether
    • Overview
    • frxETH and sfrxETH
    • Technical Specifications
    • Redemption
    • frxETH V2
    • frxETH V2 Technical Details
    • frxETH Code & V2 Addresses
    • frxETH and sfrxETH Token Addresses
    • frxETH Multisigs
  • BAMM
    • Overview
  • Frax Oracle
    • Frax Oracle Overview
    • How It Works
    • Advanced Concepts
    • Fraxtal Merkle Proof Oracles
  • Guides & FAQ
    • FAQ
    • Staking
    • Uniswap Migration / Uniswap V3
    • Fraxswap / FPI
  • Miscellany
    • All Contract Addresses
    • Bug Bounty
    • Miscellaneous & Bot Addresses
    • API
  • Other
    • Audits
    • Media Kit / Logos
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  • AMO Specs
  • Adjusting Interest Rates and Capital Efficiency

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  1. FRAX V2 - Algorithmic Market Operations (AMO)

FRAX Lending

Earns APY from lending out FRAX to DeFi platforms

PreviousUniswap v3NextDecentralization Ratio (DR)

Last updated 7 months ago

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⚠️ This AMO is deprecated. Most lending activities are now conducted via the . ⚠️ This AMO mints FRAX into money markets such as Compound or CREAM to allow anyone to borrow FRAX by paying interest instead of the base minting mechanism. FRAX minted into money markets don’t enter circulation unless they are overcollateralized by a borrower through the money market so this AMO does not lower the direct collateral ratio (CR). This controller allows the protocol to directly lend FRAX and earn interest from borrowers through existing money markets. Effectively, this AMO is MakerDAO’s entire protocol in a single market operations contract. The cash flow from lending can be used to buy back and burn FXS (similar to how MakerDAO burns MKR from stability fees). Essentially the Lending AMO creates a new avenue to get FRAX into circulation by paying an interest rate set by the money market.

FraxLendingAMO (deprecated):

AMO Specs

  1. Decollateralize - Mints FRAX into money markets. The CR does not lower by the amount of minted FRAX directly since all borrowed FRAX are overcollateralized.

  2. Market operations - Accrues interest revenue from borrowers.

  3. Recollateralize - Withdraws minted FRAX from money markets.

  4. FXS1559 - Daily interest payments accrued over the CR. (currently in development)

Adjusting Interest Rates and Capital Efficiency

The AMO can increase or decrease the interest rate on borrowing FRAX by minting more FRAX (lower rates) or removing FRAX and burning it (increase rates). This is a powerful economic lever since it changes the cost of borrowing FRAX on all lenders. This permeates all markets since the AMO can mint and remove FRAX to target a specific rate. This also effectively makes the cost of shorting FRAX more or less expensive depending on which direction the protocol wishes to target.

Additionally, the fractional-algorithmic design of the protocol allows for unmatched borrowing rates compared to other stablecoins. Because the Frax Protocol can mint FRAX stablecoins at will until the market responds with pricing FRAX at $.99 and recollateralizing the protocol, this means that money creation costs are minimal compared to other protocols. This creates unmatched, best-in-class rates for lending if the protocol decides to outcompete all other stablecoin rates. Thus, the AMO strategy can optimize for conditions for when to lower the rates (and also bring them under other stablecoin rates) and also increase rates in opposing conditions. Ironically, the lending rate on their own token is something other stablecoin projects have difficulty controlling. Frax has total control over this property through this AMO.

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Fraxlend AMO