It's the idea of simultaneous transactions that makes it riskless. Whether milli... | Hacker News

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		philwelch on Dec 28, 2011 \| parent \| context \| favorite \| on: Adventures in Aeron Chair Arbitrage It's the idea of simultaneous transactions that makes it riskless. Whether millisecond forex trades can be modeled as "simultaneous" is another question.

fanboy123 on Dec 29, 2011 [–]

Yep. Also have counterparty risk. Just because you have a contract for a purchase and a sale doesn't guarantee that the transactions will go smoothly.

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