function function(ut,t,symbolList)
persistent indx
if ~exist('indx','var') || isempty(indx)
indx = 1;
else
indx = indx+1;
end
quoteStr = @(q,v) [num2str(q,'%8.2f'),' x ', num2str(v,'%8.0f')];
updateDisplay = @(d) {d.DateTime{1},quoteStr(d.BidPrice,d.BidSize),...
quoteStr(d.AskPrice,d.AskSize)};
loc = ismember(symbolList,t.Symbol(indx));
ut.Data(loc,:) = updateDisplay(t(indx,:));
drawnow;
然后外面使用定时器就可以。此处可以作为回测数据源。