Global electronic brokerage Interactive Brokers LLC (NASDAQ:IBKR) has reported its September 2017 trading metrics. An uptick in trading volatility helped retain the group’s recently growing volumes, building on last month’s momentum.

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The latest figures benefitted from an obvious increase in volatility and escalation of market activity. A recurring trend in 2017, self-inflicted wounds by the Trump administration coupled with escalating rhetoric from North Korea and focus on the Federal Reserve defined the month.

Despite a shortened trading schedule (20 days in September vs. 23 days in August), Interactive Brokers managed to build on last month’s growth in DARTs.

In particular, the group reported a DARTs figure of 696,000 in September 2017, nearly unchanged month-over-month from 694,000 DARTs set back in August 2017.

The latest DARTs reading is a continuation of a rising trend in H2 2017. An unusually active August has now paved the way for a resurgence of trading volumes in the fall – the first half of the year was characterized by episodic pockets and droughts of volatility.

Looking at a yearly time period, Interactive Brokers’ DARTs were also pointed higher, with a gain of 7.0 percent against September 2016. In terms of its other monthly statistics, the group’s ending client margin loan balances again reached a new high in September, yielding $25.1 billion for the month, which was 3.3 percent higher than $24.3 billion in August 2017.

The company’s loan balances have been trending higher every month since September 2016 – the latest figures are 39.0 percent higher year-over-year from September 2016.

New highs in accounts

Moving on to its customer accounts, Interactive Brokers disclosed a figure of 457,000 for September 2017, an all-time high at the brokerage. The number has risen in every month during 2017 as the group continues to expand its market footprint in the United States retail market.

This also correlated to a slight growth of 1.8 percent month-on-month from 449,000 accounts in August 2017 – the figure was even higher relative to September 2016, soaring 23.0 percent year-over-year.