IG Group Holdings PLC experienced a marked selloff, with its shares declining 8.1% to trade at 1342p as markets digested the company's simultaneous H1 2026 financial update and the announcement of a proposed acquisition of Underdog, a U.S. daily fantasy sports and prediction markets operator. The purchase consideration is quoted at up to approximately $1.3 billion.
The half-year figures themselves showed growth in the top line - total revenue increased 18% to A3642.8 million - but the market response centred on the transaction's near-term impact on profitability and capital allocation.
Deal economics and earnings trajectory
Management set expectations that the Underdog acquisition will be broadly neutral to adjusted earnings per share in year one, with only double-digit accretion anticipated by year three. That profile offers little in the way of immediate EPS cushion for shareholders and was a clear contributor to the negative sentiment.
Capital allocation - buyback suspension
A particularly notable development was the immediate pause of the company's share buyback programme. The board said it was taking this step to preserve capital as leverage rises and the integration with Underdog proceeds. Buybacks are not expected to resume until 2027 at the earliest, and resumption remains subject to the completion of a planned redomiciliation to Jersey and other capital demands.
For investors, the removal of an active buyback removes a previously important source of demand for the shares, intensifying selling pressure given the acquisition-related funding and balance sheet implications.
Cost base and margin compression
Margin trends added to investor concern. Reported EBITDA margin decreased to roughly 44% from about 49.6% in the comparable prior-year period. The decline resulted from a 30% increase in reported operating costs, which management attributed to higher marketing expenditure, technology investment, and non-recurring strategic review costs. The combination of elevated costs and a transitionary acquisition profile tightened near-term profitability.
Market context and regulatory timeline
The broader market provided no obvious catalyst for the move; U.S. major indices closed higher on the day - the S&P 500 rose 0.5%, the Dow Jones climbed 1.1% and the Nasdaq gained 0.2% - indicating the selloff was company-specific rather than driven by macro or sector-wide weakness.
Compounding the uncertainty, the Underdog transaction faces a U.S. antitrust review under the Hart-Scott-Rodino Act. Management does not expect the transaction to complete before late 2026 or early 2027, which extends the period of integration and regulatory risk.
Investor reaction and positioning
Taken together, the deal's limited near-term EPS benefit, the suspension of share repurchases, higher leverage expectations, margin erosion and outstanding regulatory and corporate structuring questions have created a cluster of negatives for the equity. The market has repriced that risk, sending the stock well below its 52-week high of 1955p and toward the session low of 1340p as investors debate whether the longer-term U.S. growth opportunity offsets the immediate costs.
Given the information disclosed, the primary uncertainties for shareholders relate to the pace of integration, the timing and outcome of regulatory review, and the eventual timing of any buyback reinstatement - all factors that will influence leverage, cash flow and earnings conversion over the next 12-24 months.