/ real-time feed (simulate) \m i 12400 schema:{W::_w;.+(`t`sym`val;(!0;0#`;0#0.0))} / return schema to t tick:{if[W>0;.[3:;(W;(`tick;,data`));:]]} / send record to t data:{(_t;`wilson`omega`larsen()_draw 3;100+(1 -1()_draw 2)*()_draw 0)} / one record of t start:{.t..t:".k.tick`";."\\t 1"} / set timer close:{W::0N} / close W close` start`