Warren Gardiner
Chief Financial Officer at Intercontinental Exchange
Thanks, MC. Good morning, everyone and thank you for joining us today.
I'll begin on Slide 4 with some of the key highlights from our second quarter results. Second quarter adjusted earnings per share totaled $1.32, a 14% increase year-over-year, marking the best second quarter in our company's history and is on top of 12% growth in the second quarter of 2021. Net revenues totaled $1.8 billion, an increase of 8% versus last year, driven by a balanced contribution from both our diversified transaction revenues and our recurring revenues which account for over half of our business and increased by 8% versus last year.
Second quarter adjusted operating expenses totaled $740 million and were at the low end of our guidance range. Versus the midpoint of our guide, second quarter expenses benefited from favorable FX, various expense efficiencies and lower variable costs, particularly customer acquisition costs in our Listings business.
Moving to the full year. We are lowering our expense guidance to a range of $2.97 billion to $2.99 billion. Midpoint to midpoint, this represents a reduction of $35 million versus our prior guidance and, similar to our second quarter results, is driven by expense efficiencies, lower variable costs and favorable FX. Second quarter adjusted operating income increased by 14% to $1.1 billion, with our adjusted operating margin expanding to 59%.
Moving to the balance sheet. Shortly after we reported our first quarter results in May, we took the opportunity to raise $8 billion in new senior notes. We used $3 billion of these proceeds to refinance our 2022 and 2023 maturities and, along with the proceeds from our sale of Euroclear, reduced our commercial paper balances to zero. With no maturities until the middle of 2025, we entered the second half with a balance sheet that is well positioned amidst an exceptionally volatile interest rate environment.
The remaining $5 billion of proceeds raised in May is earmarked to fund a portion of our announced acquisition of Black Knight. Based on the favorable rates that we secured on these long-term notes and the current forward of rate expectations for both our commercial paper and term loan, we anticipate we will be well within our targeted 4% to 4.5% cost of debt financing for the transaction. It is also worth noting that alongside the financing in May, we maintained our A- and A3 pre-acquisition ratings from both S&P and Moody's.
Now let's move to Slide 5, where I'll provide an overview of the performance of our Exchange segment. Second quarter Exchange net revenues totaled $1 billion, an increase of 13% year-over-year. This strong performance was driven by an 80% increase in our interest rate futures and a 36% increase in our equity derivatives revenues. Importantly, total open interest which we believe to be the best indicator of long-term growth, ended July up 11% versus the end of last year, including 6% growth in energy and 21% growth across our financial futures and options complex.
Second quarter cash equities and equity options revenue increased by 17% year-over-year. In July -- and in July, we successfully migrated the NYSE Arca Options platform to our new pillar technology while continuing to seamlessly process record message volume, a testament to our team's hard work and our broader technology expertise. Exchange recurring revenues increased by 7% year-over-year. This growth was driven by strong demand in our energy exchange data, continued benefit from our record 2021 Listings performance and a onetime accrual in our Listings business that we do not expect will reoccur in the second half.
Turning now to Slide 6. In our Fixed Income and Data Services segment, second quarter revenue totaled a record $512 million, a 13% increase versus a year ago. Transaction revenues increased by 78%, including 85% growth in ICE bonds and 76% growth in our CDS clearing business. This strong growth was driven in part by customers reengaging and allocating more capital to CDS trading as well as our continued efforts to build institutional connectivity to our bond platforms, where we are seeing market share gains in our municipal bond business.
Recurring revenue growth which accounted for over 80% of segment revenues, grew 5% in the quarter and was once again driven by strength in our consolidated feeds business as well as continued growth in the ICE Global Network. Looking to the second half, we expect year-over-year growth in our recurring revenues to continue, supported by an ASP that enters the third quarter up over 5% year-over-year. And that second half, as reported recurring revenues, will be flat to slightly up versus our first half results, driven by Euronext data center migration which was included in our original guidance and $10 million of additional FX headwinds.
Shifting to Mortgage Technology on Slide 7. Second quarter revenues totaled $297 million. Recurring revenues which accounted for over half of segment revenues and totaled $160 million in the quarter, increased 18% year-over-year. These strong recurring revenues continue to drive outperformance versus an industry that experienced a 40% decline in origination volumes. While the current macroeconomic backdrop is challenging for a number of our customers, this also presented an opportunity to have more constructive conversations around efficiency and automation across the mortgage origination workflow.
It's worth noting that second quarter unit origination volumes were similar to those in the second quarter of 2019. However, second quarter 2022 revenues in our Mortgage Technology business were over $100 million greater or up almost 60% when compared to pro forma revenues in 2Q '19. This is a clear testament to the continued automation and growth in customer adoption of our solutions across the origination workflow.
I'll conclude on Slide 8. Through the first half of the year, we've grown total ICE revenue by 7%; adjusted operating income by 11%, including 200 basis points of margin expansion; and adjusted earnings per share by 12%, representing the best first half in our history. In addition, we positioned our balance sheet for the acquisition of Black Knight while also growing our dividend and continuing to invest in future growth. As we look to the balance of the year, we're excited about the many growth opportunities in front of us and we remain focused on creating value for our stockholders.
With that, I'll hand it over to Ben.