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The thirty days that undid three months — the banking lead of April 2013

Episode

The extreme

It took three months to build and thirty days to fall apart. In the first quarter of 2013, domestic money kept stacking chips on a single sector — financials — until the bet grew more concentrated than the intermarket structure had almost ever shown in the series. Then April arrived and it evaporated. There was no smooth rotation from one sector into another; there was abandonment. In numbers: the Financials/IBOV ratio plunged from a z of +2.74 to −1.31 — 4.05 deviations in a single month, the largest shift of the recent period. Utilities, which had served as defensive company, pulled back alongside. The Selic had just been raised to 7.5% a year, the dollar at parity of R$ 2.00.

What happened next

The abandoned post stayed empty for months. By July the story had already changed — the currency premium on commodities was wilting — and the banks remained below average, never reclaiming the lead. Only in October did the money return to financials: the Financials/IBOV ratio rose from z −0.24 to 0.65, and the Perene Risk Index jumped from 55.0 to 84.0. But it came back different. It was no longer the lone bet of the start of the year; it was part of a broader cyclical appetite, with the economy-sensitive names leading alongside the banks. The bank returned to the table — without the earlier excess.

What did not happen

The four-deviation drop was not the start of a crisis. There was no panic and no rush for the door — there was a sector that ran out of breath while the rest of the market barely moved. No ratio immediately took over the vacant lead: for months on end, the money left without saying where it was going. And the Selic's rise to 7.5% was not an isolated point, but the first step of a tightening that would reach 11.0% a year one year later.

The honest verdict

A number four deviations from the mean shouts — but it shouts about the past: it tells you the size of what came undone, not where the money is going. April's reading was right to record a real reorganization of the structure, and it misled anyone who took it for an omen. Statistical extremes, by construction, do not stay extreme. What came back, came back in another guise; and the most honest part of the story is that, for months, no one could say what the new leader would be.

Continue reading: When fear stopped paying rent · The single bet on banks · The lenders leave the table →

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Characters: Structure (intermarket)