Looking at a NinjaTrader tick data file I want to know what are the numbers after the date? Is this a time stamp in milliseconds? Here is an example of ZN 06-11.
20110322 111746;119.953125;1
20110322 111750;119.953125;1
20110322 111757;119.953125;1
20110322 111757;119.953125;8
20110322 111800;119.953125;2
20110322 111809;119.9375;1
20110322 111820;119.9375;1
20110322 111746;119.953125;1
20110322 111750;119.953125;1
20110322 111757;119.953125;1
20110322 111757;119.953125;8
20110322 111800;119.953125;2
20110322 111809;119.9375;1
20110322 111820;119.9375;1