First, let’s look at http://www.forexmachines.com/reviews/forex-income-engine-2-0/. Some brokers are now starting to quote the other major currencies to 5 decimal places. Logically this should mean that one pip would be 0.00001 currency units, but the potential there for misunderstanding is huge, if a pip would be worth 10 times as much with some brokers than with others. So it seems likely that the pip will stay at 0.0001 units for most currencies. Most traders record their profit and loss in foreign exchange trading pips as well as in money.