The claim: The pound is up and the FTSE 100 share index is at the same level as it was in March.
Reality Check verdict: Nigel Farage is right about the levels compared with March, but looking a few months further back and considering options markets may give a more useful view of concerns on the currency markets about the risks of a Brexit.
Mr Farage said: "Sterling is up since March. Since Brexit became a possibility, sterling is up and FTSE is exactly the same level it was in March.
Let's have a look at the value of the pound against the euro first. It was below the level it is now towards the end of March.
But was March a good month to compare it with? The Bank of England's quarterly inflation report in May blamed half of the fall in the value of the pound since November on uncertainty about the referendum. It's now fallen by about 11% since November.
There have also been signs on the options markets that traders have concerns about a depreciation in the pound. Bank of England governor Mark Carney told a parliamentary committee in March that there had been big increases in traders buying options as protection against falls in the pound in the coming months.
The FTSE 100, meanwhile, is also trading at levels it saw in March, although it is less clear how closely tied the index is to the state of the UK economy - many of its biggest components are multi-national companies, more affected by commodity prices than whether the UK stays in the EU.
There are various forecasts for what would happen to the pound if the UK left the EU.
The National Institute of Economic and Social Research predicted that by 2030 one pound would be worth about one euro, which would be a depreciation of more than 20%, but that comes with the usual caveats about the uncertainties surrounding forecasts and economic modelling.
Read more: The facts behind claims in the EU debate

The event sees the eight best qualified men's singles players compete on hard court at London's O2 Arena.
This season's tournament begins 13 November and new world number one Andy Murray meets Marin Cilic a day later.
Barbara Slater, BBC director of sport, said the deal "shows our longstanding commitment to ensuring top class tennis reaches the widest possible audience".
She added: "The ATP World Tour Finals remains one of the standout moments in the sporting calendar bringing together the best players in the world to create a truly unique atmosphere."
Murray will face Stan Wawrinka and Kei Nishikori as well as Cilic in his group, with world number two Novak Djokovic - winner of this event for four straight seasons - drawn in the other group.
As part of the agreement with the ATP, eight singles matches will be available on BBC television, including one of the semi-finals and the final, while full radio commentary of the tournament is also available.
Jamie Murray and Brazil's Bruno Soares will play Treat Huey and Max Mirnyi in the doubles event, not before 18:00 GMT on Sunday.
BBC Sport will also offer radio and online commentary on ATP World Tour Masters 1000 matches.
London's O2 Arena has hosted the World Tour Finals since 2009 and will continue to do so until at least 2018.
UKIP leader Nigel Farage was asked on the Andrew Marr show about Friday's falls on the markets and whether it was to do with fears about the UK leaving the European Union.
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BBC Sport will broadcast the ATP World Tour Finals until 2018 after extending its deal to cover the season finale.