Any crypto or finance asset may be specified.
Examples:
# Display percentage changes in relation to Bitcoin:
$ mmnode-ticker --widest --pchg-unit=btc
# In relation to Gold:
$ mmnode-ticker --widest --pchg-unit=gc=f
# In relation to Euros:
$ mmnode-ticker --widest --pchg-unit=eurusd=x
# In relation to the Nasdaq Index:
$ mmnode-ticker --widest --pchg-unit=^ixic
