The LSE has an auction after the market closes IIRC. And these guys built an slow stock exchange, although their definition of "slow" is quite a bit quicker tha

The LSE has an auction after the market closes IIRC. And these guys built an slow stock exchange, although their definition of "slow" is quite a bit quicker than yours: https://www.theatlantic.com/business/archive/2016/06/iex-approved/487898/ https://www.theatlantic.com/business/archive/2016/06/iex-app... There's also the LTSE which is an exchange focussed on long-term investment: https://longtermstockexchange.com/ https://longtermstockexchange.com/