Our
Level 1 window, displays live bid and ask, spread, movement, (blue for up,
green for no change and red for down), mid price hi/lo for that day, (the
actual calculated price between the spreads also shown in bold on the yellow
strip), highest and lowest traded price for that day, the day's opening
price and the previous day's close. Volume shows the amount traded for the
day, and the NMS stands for Normal Market Size, i.e. the normal volume traded
each time calculated over a period.