Fathom Protocol
  • Introduction
  • FXD Stablecoin
    • FXD Smart Contract Architecture
    • Minting and Burning Mechanisms with LTV Ratio
    • Soft-Pegging to the US Dollar
    • Opening and closing position flows
    • BookKeeping mechanism
      • Stablecoin Accounting
      • Collateral Accounting
    • Liquidation
      • Fixed Spread Liquidation Strategy
      • Liquidation process walk through
    • Emergency Shutdown
    • Maths for position safety
    • Fee structure
    • Risk Management
    • Interfaces
      • ProxyWalletRegistry
      • ProxyWallet
        • FathomStablecoinProxyActions
      • CollateralPoolConfig
      • BookKeeper
      • FXD
      • LiquidationEngine
      • FlashMintModule
      • PriceFeed
      • ShowStopper
      • StabilityFeeCollector
      • SystemDebtEngine
      • AdminControls
    • Deployments
      • XDC Network
    • User Guides
      • Open FXD position
      • Top Up FXD Position
      • Repay and close FXD position
    • Fathom Stablecoin Smart Contracts
    • Fathom Stablecoin Subgraph
  • Vaults
    • Key Features
    • Definitions
    • Architecture
    • Fees
    • Workflows
    • Vault Management
    • Strategy Creation
    • Interfaces
      • Factory
      • Vault
      • BaseStrategy
      • TokenizedStrategy
    • Deployments
      • XDC Network
    • User Guides
      • Deposit and Withdraw in Vault
    • Fathom Vaults Smart Contracts
    • Fathom Vaults Subgraph
  • Lending
    • Core Concepts
    • Protocol Mechanics
    • Architecture
    • Interfaces
      • FmToken
      • VariableDebtToken
      • StableDebtToken
      • L2Pool
      • PoolAddressesProvider
    • User Guides
      • Supply, Borrow, Repay and Withdraw Asset
    • Deployments
      • XDC Network
    • Fathom Lending Smart Contracts
    • Fathom Lending Subgraph
  • DEX
    • Core Concepts
    • Architecture
    • Interfaces
      • Factory
      • Pair
      • Router
    • User Guides
      • Providing Liquidity
      • Swapping Assets
    • Deployments
      • XDC Network
    • Fathom DEX Smart Contracts
    • Fathom DEX Subgraph
  • DAO
    • DAO Structure
    • Governance Process
    • Staking Process
    • Treasury Management
    • Risk Management and Security Measures
    • Contributing to Fathom DAO
    • Interfaces
      • FTHM
      • Staking
        • Vault
        • RewardsCalculator
        • vFTHM
      • Governance
        • TimelockController
    • Deployments
      • XDC Network
    • User Guides
      • Staking
      • Proposing
      • Voting
    • Fathom DAO Smart Contracts
    • Fathom DAO Subgraph
  • Whitepaper
    • Version 1.0
  • Resources
  • FXD Deployments
  • FTHM Deployments
  • Privacy Policy
  • Terms of Service
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  1. FXD Stablecoin

Soft-Pegging to the US Dollar

Soft-Pegging of FXD's market price to $1 is done by arbitrageurs. This section explains FXD pegging mechanism.

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Last updated 11 months ago

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How pegging works

When the price of FXD on some market (DEX or CEX) is less than $1, the arbitrageurs are looking for an incentive to arbitrage it with the market, which has a price closer to or more than $1. The below images show how the FXD price is pegged from time 0 to time 2.

When the market price of FXD is greater than $1, it provides an incentive to sell FXD in the market. The below images show how the FXD price is pegged from time 0 to time 2.

StableSwapModule (SSM) is the special mechanism developed by the Fathom team to provide an additional incentive for arbitrageurs.

Pegging when FXD < $1
Pegging when FXD > $1
Stable Swap Module (SSM