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Boston Scientific Corp. (BSX) vs South Korea Home Prices
Correlation
of % moves
-39%
In sync
of periods
24%
History
monthsmonths · through 2025-10
18
These move opposite each other about 24% of the time
Their swing sizes only faintly mirror each other (~15% of the pattern is shared).
Strong enough to use as a signal — check the stability and regime notes below before relying on it.
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
BSX moves ~3 months before South Korea Home Prices
Watch BSX for an early read on South Korea Home Prices.
Advanced
Statistics
In sync(i)
23.5%
Headline metric
Movement correlation(i)
-39%
Based on % moves
95% CI
-73% → +11%
Pipeline
Pipeline Summary
18 paired data points survived the monthly window.
Raw input
1,254
204
Normalized
1,254
204
Prepared
61
204
Aligned
18
18
Invalid removed
Likely range of correlation
R²(i)
15.2%
Variance explained
Significance
n.s.
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
+3 months
Correlation at this shift
+57%
+18% stronger than no-shift baseline
South Korea Home Prices shifted 3 months earlier. Reads: "Does Boston Scientific Corp. (BSX) today line up with South Korea Home Prices 3 months from now?"
14 overlapping points at this shift
Baseline
-39%
No-shift correlation, matching the main time-series chart above.
Peak shift
+3 months
+57%
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
N/A
4 periods · Return correlation when both series rose
Both Falling
N/A
0 periods · Return correlation when both series fell
Diverging
-34%
13 periods · Return correlation when series moved apart
Scatter
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
229
A: 43 / B: 186
Series A
Boston Scientific Corp. (BSX)
BSX
Stock · 1,254 raw → 61 prepared
Series B
South Korea Home Prices
QKRN628BIS
FRED · 204 raw → 204 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
1
Estimated crossover points between normalized spreads.
Slope
-0.0650
Linear regression slope.
Intercept
0.0020
Linear regression intercept.
Saved 2 weeks ago · ID: fred-qkrn628bis_stock-bsx_monthly_5y