Update: Liquidity check goes live on Scoach

"It's the first time an investor has had the chance to check how well a market maker is doing their job," says Giorgio Saraco, the Zurich-based head of sales and marketing for Scoach, who says the system will 'name and blame' inefficient market makers. The exchange is computing the data, which incorporates 23 000 listed products and 90million daily quotes, using a specially-designed methodology which has been trialled since last September.

QQM allows investors to check a selection of trading cond

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