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Ross Stores Inc (ROST) vs South Korea Home Prices
Correlation
of % moves
-47%
In sync
of periods
29%
History
monthsmonths · through 2025-10
18
These move opposite each other about 29% of the time
Their swing sizes loosely mirror each other (~22% of the pattern is shared).
Strong enough to use as a signal — check the stability and regime notes below before relying on it.
Both lines start at the same point — easy to compare when growth rates are similar.
What to Watch
ROST moves ~7 months before South Korea Home Prices
Watch ROST for an early read on South Korea Home Prices.
Advanced
Statistics
In sync(i)
29.4%
Headline metric
Movement correlation(i)
-47%
Based on % moves
95% CI
-77% → +2%
Pipeline
Pipeline Summary
18 paired data points survived the monthly window.
Raw input
1,255
204
Normalized
1,255
204
Prepared
61
204
Aligned
18
18
Invalid removed
Likely range of correlation
R²(i)
21.8%
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
+7 months
Correlation at this shift
+70%
+23% stronger than no-shift baseline
South Korea Home Prices shifted 7 months earlier. Reads: "Does Ross Stores Inc (ROST) today line up with South Korea Home Prices 7 months from now?"
10 overlapping points at this shift
Baseline
-47%
No-shift correlation, matching the main time-series chart above.
Peak shift
+7 months
+70%
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
3 periods · Return correlation when both series rose
Both Falling
N/A
2 periods · Return correlation when both series fell
Diverging
-68%
12 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
Ross Stores Inc (ROST)
ROST
Stock · 1,255 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
2
Estimated crossover points between normalized spreads.
Slope
-0.0504
Linear regression slope.
Intercept
-0.0004
Linear regression intercept.
Saved 2 weeks ago · ID: fred-qkrn628bis_stock-rost_monthly_5y