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DexCom, Inc. (DXCM) vs Monetary Base
Correlation
of % moves
+32%
In sync
of periods
59%
History
monthsmonths · through 2026-07
59
These move in the same direction about 59% of the time
Their swing sizes only faintly line up (~10% 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.
What to Watch
Slipping looser
The recent pattern is looser than its long-run baseline — keep an eye on whether this sticks.
DXCM moves ~10 months before Monetary Base
Watch DXCM for an early read on Monetary Base.
Tighter in drawdowns
The relationship is stronger when both prices are falling than when both are rising — typical risk-off behaviour.
Flips between sync and inverse
Sometimes the two move together, sometimes opposite. Don't treat this as a stable signal.
Advanced
Statistics
In sync(i)
59%
Headline metric
Movement correlation(i)
+32%
Based on % moves
95% CI
+7% → +53%
Likely range of correlation
Pipeline
Pipeline Summary
59 paired data points survived the monthly window.
Raw input
1,253
811
Normalized
1,253
811
Prepared
61
811
Aligned
59
59
Invalid removed
R²(i)
10%
Variance explained
Significance
p < 0.05
Statistical confidence
Data points(i)
58
Thin
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: -18 to 18 months.
Selected shift
+10 months
Correlation at this shift
-37%
+5% stronger than no-shift baseline
Monetary Base shifted 10 months earlier. Reads: "Does DexCom, Inc. (DXCM) today line up with Monetary Base 10 months from now?"
48 overlapping points at this shift
Baseline
+32%
No-shift correlation, matching the main time-series chart above.
Peak shift
+10 months
-37%
A non-zero peak suggests one series lines up better when shifted against the other.
Stability
How the correlation evolves over time. A stable line means the relationship is reliable; large swings signal regime-dependent behavior.
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
+13%
18 periods · Return correlation when both series rose
Both Falling
+74%
16 periods · Return correlation when both series fell
Diverging
-57%
24 periods · Return correlation when series moved apart
Scatter
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
754
A: 2 / B: 752
Series A
DexCom, Inc. (DXCM)
DXCM
Stock · 1,253 raw → 61 prepared
Series B
Monetary Base
BOGMBASE
FRED · 811 raw → 811 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
9
Estimated crossover points between normalized spreads.
Slope
0.0475
Linear regression slope.
Intercept
-0.0020
Linear regression intercept.
Saved 4 months ago · ID: fred-bogmbase_stock-dxcm_monthly_5y