Help please. If I add the percentage changes of the 8 indices (EUR, USD, GBP, CHF, JPY, CAD, AUD, NZD) for the prior day, I thought they would sum to zero, but today (30 Sep), they come to -28. Why is that?
I get -0.12, which is probably within the margin of error for this kind of charting
Mataf, currency trading since 2003