CFTC approves the Cantor Exchange, but wont approve its movie box-office prediction markets. Posted on April 21, 2010 by admin CFTC has approved the Cantor Exchange…-…-but won’-t approve its movie box-office prediction markets.Update. Related PostsWhy the CFTC wont approve the Cantor Exchange and the Trend Exchanges prediction markets on movie box officeLiberal politicians (sucking up to the Hollywood lobby) have managed to destroy one promising financial innovation applied to the movie business.CFTC: 3-2 in favor of approval of movie contracts -SO FAR.