Meanwhile I just realized that my inicators use two different values with this currency.
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Normally, the spread indicated (18 points) would translate into 1.8 pips. And the ADR (117.7) would be exactly that figure in pips. But looking closer, this is either a daily range of 11.77 with a 1.8 pip spread, or daily range of 117 with 18 pips... I guess the former. All in all, not a very attractive combination...
Fail better.