The Securities and Exchange Commission said today that the penalty being paid by the Chicago Board Options Exchange was the first imposed against an exchange for failures of regulatory oversight.
The CBOE is a self-regulating organisation, like Nasdaq and the New York Stock Exchange. They are charged with enforcing trading rules for their members. The SEC has broad oversight over the trading. But it leaves the day-to-day monitoring to the exchanges and the Financial Industry Regulatory Authority.
The alleged failures occurred from 2008 to 2012.
The exchange agreed to take corrective action but neither admitted nor denied wrongdoing. The SEC also censured the exchange. Censure brings the possibility of a stiffer sanction if the alleged violation is repeated.
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The SEC said that in 2008 the CBOE moved from one department to another its monitoring of member firms' compliance with a rule designed to curb abusive short-selling. That had a negative impact on the CBOE's enforcement of the rule, the agency said.
"This settlement marks a significant step in putting the SEC matter behind us," the exchange said in a statement. Short-sellers borrow a company's shares, sell them and then buy them when the stock falls and return them to the lender pocketing the difference in price.
Options give the holder the right, but not the obligation, to buy and sell stocks or other financial assets in the future.