CMC Markets Slides as IG Group Warning Ripples Through the Broker Sector

CMC Markets stock dropped 7.4% to EUR 7.24 after IG Group trimmed its fiscal 2026 revenue forecast, triggering sector-wide selling.

A profit warning from a larger London rival, not anything in CMC Markets' own pipeline, knocked the online broker's shares sharply lower to close out the week. The stock shed 7.4% on Friday to change hands at EUR 7.24, with the selling pressure stemming entirely from sector-wide fallout after IG Group trimmed its revenue outlook.

Reuters reported that CMC Markets and fellow peer Plus500 both fell between seven and ten percent at points during the session as the IG Group news reverberated across the trading platform space.

IG Group's Guidance Cut Sets Off Sector-Wide Selling

The trigger was IG Group's decision to lower its fiscal 2026 revenue growth forecast to a mid-single-digit percentage range. For its third quarter, the competitor projected revenue of roughly GBP 240 million — a decline of about 14% versus the same period a year earlier. Weakening revenue capture in the over-the-counter derivatives business was cited as the primary driver behind that softness.

That industry read-across raises immediate questions for CMC Markets shareholders. Because its business model leans heavily on similar market conditions, traders fear a comparably sluggish trading environment at other brokers. Following a strong run higher in recent months, investors are now quick to lock in profits when such signals emerge.

Product Push Continues Despite Sector Headwinds

Even as the broader trading backdrop sours, CMC Markets has been pressing ahead on the technology front. On September 24, the company unveiled a read-only ChatGPT integration for its UK CFD clients. Through that interface, users can pull up account information and market data, while the execution or modification of trades is technically off the table.

Earlier in the week came the launch of the CMC Funded programme. The simulated proprietary trading evaluation offering was set up under a partnership, with Verichain serving as the first introducing broker. CMC Markets stressed that the programme operates strictly separately from its regulated business lines and encompasses neither real trading accounts nor traditional investment services.

Industry reports indicated that CMC Funded opened to the general public on Thursday, following Monday's initial announcement. The company had teased the concept beforehand, but trade press accounts were the first to pin down the official public launch date.

The ChatGPT function, meanwhile, is designed as a pure read-only tool for eligible clients. It allows users to view current account balances, open positions and orders, and to retrieve historical market statistics through the language model's interface. Transactions cannot be initiated independently through that communication channel.

Half-Year Figures Due in November

Whether the weaker environment in over-the-counter financial products actually shows up in CMC Markets' operating numbers won't be clear for several weeks. Management has scheduled the release of first-half results for fiscal 2027 on November 26. Following today's losses, the stock now sits 21% below its 52-week high.