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The 58-point swing of December 2012 — the appetite that came back too fast

Episode

The extreme

November's entrenched fear evaporated in a single turn of the calendar. The money that had been hiding in defensives came running back to the sectors that breathe with the economy — and went straight to the two corners where aversion had run deepest: the banks and raw materials. But a second gauge refused to confirm. In numbers: the Perene Risk Index leapt from 20.6 to 78.6 in a single month, one of the widest arcs in the series, with Finance/IBOV advancing from z -0.36 to 1.33 (Δ +1.69) — one of the sharpest displacements of the half-year. At the same close, the intermarket fell from 41.1 to 16.5, classified as risk_off_forte. Dollar at R$ 2.078, Selic at 7.25%.

What happened next

The turn was real, but it had a narrow address. In March 2013, three months later, the bet on the banks did not spread — it concentrated: Finance/IBOV reached 2.74 deviations, exceedingly rare territory, while the raw materials that December had celebrated plunged to -1.11. The Perene Risk Index, far from consolidating the optimism, retreated to neutral, at 53.3. And the concentration did not hold: the financial sector tumbled in April, and June already found it below average. The appetite stayed alive all year — in December 2013 the Perene Risk Index closed at 74.0 — but buying defensives, not the banks that had rekindled it.

What did not happen

The 58-point leap did not herald a broad and lasting bull market. Anyone who read the 78.6 as consolidated confidence mistook speed for conviction — the house itself noted at the close that swings this wide in a short window tend to be tactical repositioning. The dollar did not budge either, pinned at R$ 2.078, so the turn was born of internal flow, not external relief. And the intermarket marking risk_off_forte was not simply wrong: the caution it measured was the warning the euphoric headline did not give.

The honest verdict

The width of the leap was the warning. A reading that jumps 58 points in a month records a tactical reshuffling, not a change of fundamentals — and the gauge that dissented aged better than the front-page optimism. The appetite was genuine; narrow and short, too.

Continue reading: When the gauges disagree · The single bet on banks · The stimulus that did not impress →

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Characters: Structure (intermarket) · Flow (risk appetite) · Mood · Dollar · Cyclicals × defensives