In this Sept 20, 2019 photo, the flag of the UK and the flag of EU are displayed prior to the meeting between UK Brexit Minister Stephen Barclay and EU chief Brexit negotiator Michel Barnier in Brussels. (KENZO TRIBOUILLARD / POOL / AFP)

Time is running out for the European Union and the United Kingdom to agree on so-called equivalency rules that will allow the cross-border share-trading market to remain intact beyond January and prevent investors having to change where they buy and sell stocks.

The UK govt is urging companies to step up preparations for the country's leaving the EU trading bloc without a new deal in place in eight weeks

London's biggest stock exchanges are preparing to activate contingency plans to have some operations based in European cities but remain hopeful that an accord can be reached as part of a post-Brexit free-trade agreement being negotiated.

For this to happen, the EU needs to recognize the UK and its exchanges as operating under equivalent rules, but as talks are faltering share traders have made alternative plans, a Financial Times report said.

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The report said Aquis Exchange will add stocks to its French platform, previously available only in London, on Nov 11, and that the London Stock Exchange Group planned to open the Amsterdam base of its Turquoise platform at the end of next month.

Alasdair Haynes, chief executive of Aquis Exchange, which has 5 percent of the European market, told the Financial Times "there will be no equivalence".

"People are living in a pipe dream if they think it is going to happen. People are getting prepared to move business over," Haynes said.

As the biggest share-trading center in Europe, London handles as much as 30 percent of the 40 billion euro (US$46.9 billion) daily market.

Fears from investors

Without equivalence, EU-based institutions will be barred from trading in London, and so some trading will move to cities such as Amsterdam and Paris.

Investors fear a split, and the biggest US and European investment banks continue to lobby policymakers to avert any radical reshuffle.

The UK government is urging companies to step up preparations for the country's leaving the EU trading bloc without a new deal in place in eight weeks.

UK Prime Minister Boris Johnson and his Brexit supremo Michael Gove were expected to tell businesses on Tuesday to step up preparations for the end of the transition period.

The Treasury will write to 200,000 traders about new customs and tax rules, according to Bloomberg.

Trade talks between Britain and the EU appear to be close to failure, and Johnson has said there is no point in continuing them unless the EU changes its position.

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"Make no mistake, there are changes coming in just 75 days and time is running out for businesses to act," Gove said.

EU chief negotiator Michel Barnier, who spoke by phone on Monday with his UK counterpart David Frost, said: "The EU remains available to intensify talks in London this week, on all subjects, and based on legal texts."

Gove welcomed Barnier's statement, which he called a "constructive move".

Agencies contributed to this story.