Well, I've just made my last contribution, another 400 Reais entirely destined to the usual $, at 67 cents each.
Now I've stopped for good, without any new contributions, the market is crazy! I've lost about 3000 Reais in devaluation in this period so far (in fact I didn't lose any because I didn't sell anything) but it will be hard to recover.
I'm going forward believing in the currency