Stablecoin Arbitrage

Arbitrage across exchanges exploiting price discrepancies in fiat-pegged stablecoins, balancing costs and peg risks to lock in risk-adjusted profits.

Stablecoins are cryptocurrencies pegged to a stable asset (typically a fiat currency). Arbitrage opportunities occur when stablecoins trade at different prices across venues due to liquidity, transfer fees, or timing mismatches. A typical workflow: 1) monitor prices on multiple exchanges; 2) execute near-simultaneous buy and sell where a price delta exists; 3) transfer funds or stablecoins between venues for settlement. Key cost factors include trading fees, network fees, withdrawal/deposit friction, and the time it takes to settle transfers. Important risks include depegging risk, liquidity risk, settlement risk, custody risk, smart contract risk, and regulatory risk. Edge cases include fast-moving price changes during cross-exchange transfers, de-pegging events (as seen in historically notable episodes like Terra/LUNA), cross-chain pegged assets with varying liquidity, and the potential for exchange outages to disrupt arbitrage flows. Mitigation strategies include using vetted transfer routes, hedging stablecoin exposure, simulation backtesting, and robust risk controls.

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❓ Frequently Asked Questions

What is stablecoin arbitrage?

A trading approach that seeks to profit from price differences of pegged tokens across markets by buying where cheap and selling where dear, after accounting for all costs and risks.

What costs affect profitability?

Trading fees, network/transfer fees, withdrawal/deposit costs, and slippage can erode or erase arbitrage margins.

What are the main risks?

Peg risk, liquidity risk, settlement risk, custody risk, smart contract risk, and regulatory risk.

How can the risks be mitigated?

Use multiple venues, minimize transfer windows, simulate strategies, and implement strict risk controls and monitoring.

Are there real-world examples?

Historical depegging events (e.g., Terra/LUNA) highlight peg risk rather than a guaranteed profit from arbitrage; caution is warranted.

📚 Sources