Radar Perene / Archive / character

Character: Statistical anomaly

◦ Pieces dated up to 15 Jul 2026 were written under index methodology v1; the current series is v2.2 (working papers with DOI). See the methodology.

A statistical anomaly is a move so far out of the ordinary that it stops being noise and becomes a regime signal — three, four deviations from its own history. It does not say where the market is going; it says the present has left common territory. This is the study of the archive's extremes: appetite at 100 and at 0, the dollar in rare deviation, the four sigmas that changed — or did not — what came next.

In the Radar, a statistical anomaly is a move so far out of the ordinary that the engine singles it out as unlikely to be mere noise — a reading far from the…

Read the full entry: What is a statistical anomaly? →

Where Statistical anomaly appears

• MarqueeThe single bet on banks: when the market chose a single sector
• MarqueeEuphoria at the top — March 2014, when appetite hit 100 and there was no follow-through
• Comparison2013 vs 2024: when the currency leads — and what that does (or doesn't) to the regime
• DerivativeThe dollar never came back: when an extreme redefines the floor
• DerivativeThe bottom that wasn't the bottom: when August's extreme still had a basement
• DerivativeReal rates in anomaly: the rare premium of late 2024
• DerivativeWho bought while mood screamed: March 2016 and the turn no one announced
• comparacaoThe rise made headlines. The return did not.
• comparacaoThe anomaly that flipped its sign
• episodioThe bet that fits in a single sector — banks, Feb/2013
• episodioThe single bet on banks — and the extreme that did not hold
• episodioThe calm that hid an extreme — cyclicals stretched as never before, Jul/2016
• episodioThe capitulation in Financials — May 2025
• episodioThe basket that wasn't a basket
• episodioThe lonely conviction of May 2014 — a rare bet over lukewarm appetite
• notaPublic debt in a rare anomaly — the silent alarm of August 2015
• episodioThe party that changed its guests — the silent collapse of commodities in June 2010
• comparacaoInflation was the anomaly. Months later, so was deflation.
• episodioThe inflation that had not yet reached the table — the IGP-M surge of September 2020
• episodioThe question April left behind
• episodioThe Selic came down a step. The house didn't feel it.
• episodioThe week brick paid the index
• episodioThe only ratio that was improving
• aniversarioFrom 100.0 to 0.0 — and the road back that stopped halfway
• comparacaoTwo nearly identical peaks — and why neither was strength
• notaFinancials/IBOV sinks in a single month — the mark of credit fear
• notaAt the top of the scale: the month defense was already priced in — February 2020
• episodioThe banks' premium stretched to an extreme — and the year-long descent
• episodioAppetite chooses whom to trust — the banks' +2.13 in October 2016
• episodioWholesale shouted before retail
• comparacaoThe exchange rate wrote both months. Fear, only one.
• comparacaoThe exchange rate changes the price of everything. Not the question.
• episodioThe capital that slept with a helmet on — the utilities trench of March 2012
• episodioThe cycle and the banks at the edge of the scale — when capital ran ahead of confidence
• episodioThe defensive stretched as almost never before — and the excess that gave way
• episodioThe money pulls its chips: the pullback that took cyclicals off the table for a year
• notaThe dollar at R$4.88 and the ruler that measures distance, not direction
• notaThe dollar at R$ 6,097 and what an anomaly means
• episodioThe cyclicals' stretch of July 2010 — the position too expensive to last
• episodioThe extreme that unwound in a week
• episodioThe end of 2010: the gauge at 100, the lenders heading out
• episodioThe end of the commodities' reign — the crown fell in a single month, and the throne never came back
• episodioThe extreme number that wasn't news
• notaThe banks' leap that measured fear, not profit
• notaThe leap that wasn't strength: the IFIX/IBOV ratio as a fear gauge

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