Brazil Retail Demand Boosts Tesouro Direto While Treasury Confronts Post‑Election Yield Shock

Higher yields after the late‑October presidential vote forced the Treasury into repurchase auctions and raised near‑term refinancing pressure.

Overview

September saw R$8.77 billion of gross investments in Tesouro Direto and R$4.83 billion of net issuance, with small retail operations making most purchases.
Selic‑linked securities led demand in September, drawing about R$5.0 billion or 57.5% of new flows and concentrating short‑dated exposure for retail holders.
The stock of public securities held by investors rose to R$279.3 billion in September, while the federal debt reached R$9.383 trillion and the 12‑month average cost climbed to 12.63%.
The share of debt maturing within 12 months jumped to 19.95% (roughly R$1.87 trillion), increasing rollover needs even though the Treasury's liquidity reserve rose to R$1.273 trillion covering about 7.7 months of maturities.
Market stress after the Oct. 26 presidential runoff sent futures yields higher, prompted extraordinary Treasury repurchase auctions and temporary suspension of Tesouro Direto trading, a sequence that heightens risks of mark‑to‑market losses for sellers and keeps refinancing conditions under watch.