Old keywords upticks/downticks data are wrong in some resolutions.
Powerlanguage keywords for volume are less.
For more details,Multicharts should establish10 new keywords for volume.

1.volume(If the current tick price is higher than the previous tick price)
2.volume(If the current tick price is lower than the previous tick price)
3.volume(If the current tick price is the same as the previous tick price)
4.volume(If the current tick price is higher or equals current ASK tick price)
5.volume(If the current tick price is lower or equals current BID tick price)
6.volume(If the current tick price is between ASK and BID prices)

a.volume(If the current tick price is higher than the previous tick price)
(If the current tick price is the same as the previous tick price, the volume is depending on what was the last recorded volume.)
(Example: If a new tick comes with higher than previous price and then another tick comes with the same as previous price, the volume is recorded also to this one.)
b.volume(If the current tick price is lower than the previous tick price)
(If the current tick price is the same as the previous tick price, the volume is depending on what was the last recorded volume.)
(Example: If a new tick comes with lower than previous price and then another tick comes with the same as previous price, the volume is recorded also to this one.)
c.volume(If the current tick price is higher or equals current ASK tick price)
(If the current tick price is between ASK and BID prices, the volume is depending on what was the last recorded volume.)
(Example: If a new tick comes with a price higher or equals current ASK tick price and then another tick comes with a price that is between ASK and BID prices, the volume is recorded also to this one.)
d.volume(If the current tick price is lower or equals current BID tick price)
(If the current tick price is between ASK and BID prices, the volume is depending on what was the last recorded volume.)
(Example: If a new tick comes with a price lower or equals current BID tick price and then another tick comes with a price that is between ASK and BID prices, the volume is recorded also to this one.)