i don't actually know, i don't use them since i don't use charts, lol. maybe i should stop talking out my ear and let someone more knowledgeable answer.
Quote from OnTheEdge:
what symbol do you use for our YM? YMZ03 gets me an odd-looking chart.
hmm, i thought rollover was not until next week? i'm still keeping the ym sep short from a few days ago, it's still being traded right until next friday right?