Traders of the Islamic faith should be able to trade without any interest fees credited/debited and thus brokers should offer swap-free accounts to accommodate these traders. Additionally, requotes was another subject of concern. Moreover, we researched the available bonuses and deposit/withdrawal fees. BOOM AND CRASH INDEX BROKERS. At the moment Deriv is the only boom and crash broker. Both indices are designed to spike in opposite directions. They are four indices designed to trend that way. Boom 1000-spike bullish tick bearish. Boom 500- spike bullish tick bearish. Crash1000- spike bearish tick bullish. Crash 500- spike bearish tick bullish.