Cboe Global Markets, the operator of the Chicago Board Options Exchange, on June 23 introduced Cboe Predicts, a suite of "yes-or-no" contracts that lets retail traders bet on where the stock market closes. The first products are binary option contracts on the Mini-S&P 500 Index.

A binary option is a simple all-or-nothing wager. A trader takes a "yes" position that pays a fixed $100 if the index settles at or above a chosen level, and nothing if it does not; a "no" position pays $100 if the index closes below that level, according to Cboe. The underlying Mini-S&P 500 Index, or XSP, tracks the same benchmark as the larger SPX contract but is scaled to one-tenth the size, which Cboe pitches as more accessible for individual investors. The contracts are already trading on Interactive Brokers, with a rollout to Charles Schwab expected in the coming months.

A different regulatory route

The launch matters less for what Cboe is selling than for how it is structured. Prediction markets such as Kalshi and Polymarket operate as event contracts under the Commodity Futures Trading Commission, the federal agency that oversees derivatives. That status has drawn repeated challenges from states arguing the products amount to gambling — a fight Boursel has covered as the CFTC sues to defend the platforms.

Cboe is taking a different path. Its binary options are treated as security options under U.S. securities law, overseen by the Securities and Exchange Commission and centrally cleared through the Options Clearing Corporation — the same plumbing used for ordinary listed equity options. That positioning, The Block reported, sidesteps the unsettled CFTC-versus-state jurisdictional fight by classifying the products as securities rather than event contracts.

The distinction is more than technical. As Cryptopolitan noted, routing through the clearinghouse under SEC-supervised options rules leaves "no CFTC registration question and no state gambling-law exposure." Cboe also confines its first offering to a financial benchmark, the S&P 500, rather than the election, sports and news outcomes that have driven much of Kalshi and Polymarket's volume.

Why it matters

Cboe is an established, century-old exchange rather than a venture-backed startup, and its arrival lends mainstream legitimacy to a format that has, until now, lived mostly at the edges of regulated finance. The success of Kalshi and Polymarket has already pulled in firms including Robinhood, Interactive Brokers and Coinbase, The Block reported.

The timing sharpened the contrast. Cboe's debut landed the same day the CFTC filed suit against Kentucky — its ninth state action defending Kalshi and Polymarket against state gambling-law challenges, according to Cryptopolitan. The simultaneous events illustrated a widening split: traditional exchanges pursuing an SEC-regulated route while CFTC-supervised platforms defend their footing in court. Cboe has staked out a claim that a major regulated exchange can offer prediction-style products without wading into the legal uncertainty surrounding its newer rivals.