'ABITRA' came from Arbitrage

ar·bi·trage /ˈärbəˌträZH/

noun
simultaneous buying and selling of securities, currency, or commodities in different markets or in derivative forms in order to take advantage of differing prices for the same asset."profitable arbitrage opportunities"

‍verb
buy and sell assets using arbitrage."much of the short selling was being done by people who were arbitraging between the bond and the equity market"

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