Answer:
The answer is abitrage
Step-by-step explanation:
Abitrage is sometimes called riskless profit. It is about taking advantage of price difference in the market. Abitrage improves market efficiency because the mispricing are quickly exploited.
Arbitrage involves buying security A at $10 in city X and the same security is being sold for $15 in city Y. If the market participant exploits this mispricing, he is known to engage in abitrage.