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Alnylam Pharmaceuticals, Inc. (ALNY) vs Case-Shiller Home Price Index
Correlation
of % moves
-31%
In sync
of periods
42%
History
monthsmonths · through 2026-06
58
These move in the same direction about 42% of the time
Their swing sizes only faintly mirror each other (~10% of the pattern is shared).
A faint pattern — interesting as colour, not strong enough to act on alone.
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
Unusual right now
Recently tighter than usual — the pair is behaving differently than its long-run pattern.
ALNY moves ~8 months before Case-Shiller Home Price Index
Watch ALNY for an early read on Case-Shiller Home Price Index.
Holds in both up and down markets
The relationship is similar whether prices are rising or falling — reliable in both directions.
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)
42%
Headline metric
Movement correlation(i)
-31%
Based on % moves
95% CI
-53% → -5%
Likely range of correlation
Pipeline
Pipeline Summary
58 paired data points survived the monthly window.
Raw input
1,252
474
Normalized
1,252
474
Prepared
61
474
Aligned
58
58
Invalid removed
R²(i)
10%
Variance explained
Significance
p < 0.05
Statistical confidence
Data points(i)
57
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
+8 months
Correlation at this shift
+42%
+11% stronger than no-shift baseline
Case-Shiller Home Price Index shifted 8 months earlier. Reads: "Does Alnylam Pharmaceuticals, Inc. (ALNY) today line up with Case-Shiller Home Price Index 8 months from now?"
49 overlapping points at this shift
Baseline
-31%
No-shift correlation, matching the main time-series chart above.
Peak shift
+8 months
+42%
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
-40%
14 periods · Return correlation when both series rose
Both Falling
-44%
10 periods · Return correlation when both series fell
Diverging
-61%
33 periods · Return correlation when series moved apart
Scatter
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
419
A: 3 / B: 416
Series A
Alnylam Pharmaceuticals, Inc. (ALNY)
ALNY
Stock · 1,252 raw → 61 prepared
Series B
Case-Shiller Home Price Index
CSUSHPINSA
FRED · 474 raw → 474 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
7
Estimated crossover points between normalized spreads.
Slope
-0.0217
Linear regression slope.
Intercept
0.0040
Linear regression intercept.
Saved 4 months ago · ID: fred-csushpinsa_stock-alny_monthly_5y