andanotherthing
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Anyone know why mar = h
jun = m
sep = u
dec = z
jun = m
sep = u
dec = z
Sorry gooseman, don't recall writing that now, suppose I must have. What site is this anyway? Must stop forgetting to take my tablets...if you need a mnemonic to remember 4 months you shouldn't be a trader.
cos that's what it is. every month has a code:
f
g
h
j
k
m
n
q
u
v
x
z
I assume you are referring to the Yahoo codes for the data:
ZBU09-1.CBT: Summary for Thirty-Year US Treasury Bond Fu - Yahoo! Finance
In general, it's not good to look at the Yahoo codes since they don't update as often as they should. You're looking at the September 2009 US Treasury Bond futures - according to Yahoo its last trade was Dec 18 for all three of the above whereas settlement prices have actually been issue since then.
The settlement price on Dec 18 was 138 and 27.5/32nds so that matches the first two entries.
One is probably floor, one is probably globex and the last is probably "last" traded price or maybe floor+globex combined last traded price.
Given there's so much data missing from Yahoo I'd advise not using them for futures data.