Model Check
How does FishDog's weekly Mood Balance Index compare to the University of Michigan Consumer Sentiment Index? This page puts both series side by side.
Normalized Comparison
Both series converted to z-scores so they can be compared on the same scale.
Directional Overlay
Z-score normalized. Weekly FishDog MBI vs monthly Michigan UMCSENT.
Raw Values
Each series in its native units. Different scales, same story.
Dual-Axis View
FishDog MBI (-100 to +100) on the left. Michigan UMCSENT (0-100+) on the right.
What This Comparison Shows
Both indices respond to the same macroeconomic forces. When consumer confidence drops in the Michigan survey, FishDog's mood panel tends to reflect the same shift. The difference is timing: Michigan publishes once a month, while FishDog captures weekly movement.
This is not a claim of statistical equivalence. It is a directional sanity check. When two independent measures of consumer mood move together, it increases confidence that both are picking up real signal.
Methodology
FishDog MBI
Weekly weighted mood score on a -100 to +100 scale, derived from a fixed twelve-option mood palette. Negative values indicate predominantly negative mood; positive values indicate predominantly positive mood.
Michigan UMCSENT
Monthly index published by the University of Michigan Survey of Consumers since 1952. Based on telephone interviews about personal finances, business conditions, and buying conditions. Indexed with 1966 as the base year (1966 = 100).
Z-Score Normalization
The two indices use different scales (MBI: -100 to +100, Michigan: roughly 50 to 110). Z-score normalization converts each series into standard deviation units relative to its own mean, making directional comparison possible without distorting either series.
A z-score of +1 means the value is one standard deviation above that series' average. A z-score of -1 means one standard deviation below. The shape and direction of each series is preserved.
Data Sources
FishDog
Public Survey 1 via the visuals endpoint. See also Consumer Mood Check for the full weekly tracker.
Michigan
FRED API series UMCSENT, sourced from the University of Michigan Survey of Consumers.
Frequently Asked Questions
Why compare against the Michigan Consumer Sentiment Index?
The University of Michigan Consumer Sentiment Index is one of the longest-running and most widely cited measures of consumer confidence in the United States. It is published monthly and used by economists, policymakers, and investors as a benchmark for how consumers feel about the economy. Comparing against it gives an independent reference point for evaluating whether FishDog's weekly Mood Balance Index tracks real-world sentiment shifts.
What is z-score normalization?
Z-score normalization converts each data series into standard deviation units relative to its own mean. This makes two series with different original scales directly comparable on the same chart. A z-score of +1 means the value is one standard deviation above that series' average; -1 means one standard deviation below. The transformation preserves the shape and direction of each series while removing the scale difference.
How often does each data source update?
FishDog's Mood Balance Index updates weekly, producing a new data point each time a survey run completes. The Michigan Consumer Sentiment Index is published monthly by the University of Michigan, with a preliminary reading mid-month and a final reading at month-end. The FRED API, which supplies Michigan data to this page, typically lags a few weeks behind publication.
Why does FishDog have more data points than Michigan?
FishDog runs its mood survey weekly, producing roughly four data points for every one Michigan reading. This is the core resolution advantage: weekly granularity reveals intra-month dynamics that a monthly index compresses into a single number.
Does directional alignment prove accuracy?
Directional alignment is a necessary signal but not a proof of accuracy. It shows that both measures respond to the same macroeconomic and social forces in broadly similar ways. The value of this comparison is as a sanity check and a credibility signal, not a statistical equivalence claim.
Can I access the underlying data?
Yes. FishDog's public mood data is available at cat.fish.dog/zeitgeist/api/public/surveys/1/visuals. Michigan Consumer Sentiment data is available from the FRED API (series UMCSENT) at fred.stlouisfed.org/series/UMCSENT.
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