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Sandisk Corporation Common Stock (SNDK) vs Aaa Corporate Bond Yield
Correlation
of % moves
-46%
In sync
of periods
29%
History
monthsmonths · through 2026-04
15
These move in the same direction 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.
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
SNDK moves ~2 months before Aaa Corporate Bond Yield
Watch SNDK for an early read on Aaa Corporate Bond Yield.
Advanced
Statistics
In sync(i)
28.6%
Headline metric
Movement correlation(i)
-46%
Based on % moves
95% CI
-80% → +9%
Pipeline
Pipeline Summary
15 paired data points survived the monthly window.
Raw input
317
1,288
Normalized
317
1,288
Prepared
16
1,288
Aligned
15
15
Invalid removed
Likely range of correlation
R²(i)
21.5%
Variance explained
Significance
n.s.
Statistical confidence
Data points
15
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: -4 to 4 months.
Selected shift
+2 months
Correlation at this shift
+71%
+25% stronger than no-shift baseline
Aaa Corporate Bond Yield shifted 2 months earlier. Reads: "Does Sandisk Corporation Common Stock (SNDK) today line up with Aaa Corporate Bond Yield 2 months from now?"
12 overlapping points at this shift
Baseline
-46%
No-shift correlation, matching the main time-series chart above.
Peak shift
+2 months
+71%
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
-28%
10 periods · Return correlation when series moved apart
Scatter
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
1,274
A: 1 / B: 1273
Series A
Sandisk Corporation Common Stock (SNDK)
SNDK
Stock · 317 raw → 16 prepared
Series B
Aaa Corporate Bond Yield
AAA
FRED · 1,288 raw → 1,288 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
1
Estimated crossover points between normalized spreads.
Slope
-0.0294
Linear regression slope.
Intercept
0.0075
Linear regression intercept.
Saved 3 weeks ago · ID: fred-aaa_stock-sndk_monthly_5y