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The brick didn't lose. It was swallowed.

◦ Written under index methodology v1 (in effect until 15 Jul 2026). The current series is v2 — readings quoted here may differ from those shown today. See the methodology.

Article

The extreme

On the surface, August was celebrating: market mood had swung back to extreme optimism, and anyone reading the thermometer saw the party resume. But in one corner of the exchange a sector was bleeding without a single headline reaching it — no default, no deterioration in the buildings themselves. Real estate funds collapsed against the index in the most violent move on the board. What was dragging them down had nothing to do with property; it was the price of money.

In numbers: the IFIX/IBOV ratio plunged, in August 2025, from near its usual range to well below it, with the Selic at 15.0% a year and the CDI yielding 1.16% for the month. Mood had leapt from 39.0 to 72.3. And the warning had come earlier: in July, the spread between the IFIX and the CDI had already printed a statistical anomaly — more than four deviations below the average.

Six months earlier

Half a year before, the same defensive instinct was running through the exchange — but the brick stood on the winning side. In February 2025, capital was fleeing the cycle: the Cyclical/Non-Cyclical ratio sank deeper still in the sharpest retreat on that board. And real estate funds, far from collapsing, were regaining ground — the IFIX/IBOV ratio was working its way back toward its usual range. The contracted income of rent was a virtue. The difference between the two months fit into a single number: the Selic, at 13.25% a year.

What didn't happen

Nothing happened to the brick. Between February and August, listed real estate did not worsen — headline inflation even eased, with August IPCA negative, at −0.11%. The naive reading — that the sector had deteriorated — finds support in no fact at all. What changed was the height of the carry beside it: the same income that sheltered in February became a disadvantage once the CDI began paying nearly 15% with no brick risk at all.

Honest verdict

A sector can capitulate without anything happening to it. That is what the two months, set side by side, reveal. The fate of a real estate fund is not decided in the property, but in the distance between rent and the risk-free rate: in February, at 13.25%, it sheltered; in August, at 15.0%, it swallowed. The brick did not lose a contest — there was no contest: it was pulled under by the gravity of interest. The number collapsed; the property did not.

Continue the story: The carry that became gravity · The anatomy of a sector capitulation →

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Read also: The carry stopped competing. It began to pull. · A sector capitulates. Or is it the ruler that trembles.

Characters: Cyclicals × defensives · Rates (Selic)