Capital market regulator Sebi has raised the transaction limit in exchange traded currency derivatives to 15 million US Dollars, from 10 million dollars previously, for both foreign and domestic investors without having any underlying exposure. The Securities and Exchange Board of India in a circular issued in Mumbai said the Foreign Portfolio Investors (FPIs) and domestic clients can take position (long and short) in foreign currency up to 15 million US Dollars or equivalent per exchange. It further said requirement of an underlying exposure has been placed to check speculation in the currency market.