Brazilian IGP-10 Inflation (Aug MM) -0.51% vs. Exp. 0.1% (Prev. -1.13%)

The IGP-10 is a wholesale-heavy gauge, dominated by producer and construction costs, so its disinflation reads through to consumer prices only partially and with a lag; a deflationary print against an expectation of a small positive extends the pattern set by the prior negative reading rather than reversing it. Episodes of wholesale deflation in Brazil have historically been driven by commodity and FX pass-through, and the transmission channel worth isolating is the exchange rate: a firm real cheapens imported raw materials and traded goods at the producer stage, which is where IGP indices capture it first. The distinction that matters is whether the weakness is tradables-led or broadening into services and administered prices, since the former fades with the currency while the latter is what shifts the Copom reaction function. On previous occasions of sustained wholesale deflation, the central bank has treated it as supportive but not decisive for the easing path, waiting for confirmation in the IPCA consumer prints before moving the Selic trajectory. The follow-ons are the IPCA releases later in the month and any accompanying Copom commentary, plus the real's behaviour against the dollar, which determines whether this dynamic persists into the following prints.