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Comfort Systems USA, Inc. (FIX) vs Debt-to-GDP Ratio
Correlation
of % moves
+52%
In sync
of periods
65%
History
monthsmonths · through 2025-10
18
These move in the same direction about 65% of the time
Their swing sizes loosely line up (~27% of the pattern is shared).
A real but noisy link — useful as context, risky as a standalone signal.
On a log scale so equal % moves take equal vertical space — best when one series has grown much faster than the other.
Advanced
Statistics
In sync(i)
64.7%
Headline metric
Movement correlation(i)
+52%
Based on % moves
95% CI
+5% → +80%
Pipeline
Pipeline Summary
18 paired data points survived the monthly window.
Raw input
1,254
240
Normalized
1,254
240
Prepared
61
240
Aligned
18
18
Invalid removed
Likely range of correlation
R²(i)
26.6%
Variance explained
Significance
p < 0.05
Statistical confidence
Data points
18
Limited
Time-Shifted Correlation
See how correlation changes when one series is offset in time. A taller bar at a non-zero shift means the two move together better when one leads the other — that's a potential lead/lag signal.
Correlation by shift
Click a bar to inspect. Range: -7 to 7 months.
Selected shift
No shift
Correlation at this shift
+52%
No shift — both series at their actual dates.
17 overlapping points at this shift
Baseline
+52%
No-shift correlation, matching the main time-series chart above.
Peak shift
No shift
+52%
A non-zero peak suggests one series lines up better when shifted against the other.
Do They Crash Together?
How these series behave when markets are rising, falling, or diverging. A correlation that holds in drawdowns is very different from one that only works in rallies.
Both Rising
+64%
9 periods · Return correlation when both series rose
Both Falling
N/A
2 periods · Return correlation when both series fell
Diverging
-36%
6 periods · Return correlation when series moved apart
Scatter
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
265
A: 43 / B: 222
Series A
Comfort Systems USA, Inc. (FIX)
FIX
Stock · 1,254 raw → 61 prepared
Series B
Debt-to-GDP Ratio
GFDEGDQ188S
FRED · 240 raw → 240 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
1
Estimated crossover points between normalized spreads.
Slope
0.0310
Linear regression slope.
Intercept
-0.0025
Linear regression intercept.
Saved 2 weeks ago · ID: fred-gfdegdq188s_stock-fix_monthly_5y