Cboe Global Markets just posted the kind of numbers that make exchange executives forget about their golf game. The company’s four US options exchanges averaged 22 million contracts per day in May 2026, setting a new all-time monthly record for the exchange operator.

To put that in perspective, the previous monthly high was 18.8 million ADV back in March 2025. That’s a roughly 17% jump in just over a year.

What’s driving the numbers

The biggest contributor was multi-listed options, which hit an ADV of 16 million contracts on their own. That figure alone would have been a record for Cboe.

Index options, meanwhile, clocked in at 6 million contracts ADV. That’s the third-best monthly figure Cboe has ever recorded.

The exchange’s proprietary index options had already been on a tear earlier in the year. March 2026 saw 6.9 million ADV in that category, followed by 6.3 million in April. May’s 6 million represents a slight cooldown, but the three-month stretch paints a picture of sustained, elevated demand for index-level hedging and speculation.

SPX options hit a single-day ADV record of 6.5 million contracts during Global Trading Hours on May 6. GTH sessions cover the hours outside the regular US trading window, which means international participants and overnight traders are increasingly active in the product.

On the futures side, Cboe reported $5.8 billion in notional value for high-yield corporate bond index futures during May. That’s a record for the product.

A record year keeps building

May’s record didn’t come out of nowhere. The first quarter of 2026 was already historically strong across the entire US options market, with industry-wide ADV reaching 68.6 million contracts. Cboe’s 22 million ADV in May means the exchange alone is capturing a significant share of that broader pie.

The jump from 18.8 million ADV in March 2025 to 22 million in May 2026 reflects structural changes in how investors use derivatives, including more expiration dates and expanded trading hours. Cboe has also been expanding into areas adjacent to traditional equity derivatives, including Bitcoin US ETF Index Options, which tap into the growing intersection of crypto and traditional finance.

What this means for investors

The GTH record for SPX options is particularly worth watching. A single-day peak of 6.5 million contracts outside regular hours suggests that demand for around-the-clock risk management is real and growing.

The $5.8 billion in high-yield corporate bond index futures notional value also deserves attention. Credit markets have historically been harder to trade efficiently than equities, and the growth of exchange-traded credit derivatives could reshape how fixed-income portfolios are managed.

For Cboe as a business, the volume records translate directly to transaction revenue. The company earns fees on every contract traded, so sustained high volumes are a tailwind for earnings. Investors in CBOE stock should watch whether these elevated levels hold through the summer months, which historically tend to be quieter, or whether May represented a seasonal peak driven by specific catalysts.