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iPath Series B S&P 500 VIX Short-Term Futures ETN (VXX) vs Texas Capital Texas Oil Index ETF (OILT)
Correlation
of % moves
-29%
In sync
of periods
46%
History
daysdays · through 2026-09-24
691
These move in the same direction about 46% of the time
Their swing sizes only faintly mirror each other (~9% of the pattern is shared).
Roughly random — these don't track each other in a meaningful way.
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 looser than usual — the pair is behaving differently than its long-run pattern.
Holds in both up and down markets
The relationship is similar whether prices are rising or falling — reliable in both directions.
Rock solid
The relationship barely changes from period to period — treat it as a reliable signal.
Explore
Advanced
Statistics
In sync(i)
46%
Headline metric
Movement correlation(i)
-29%
Based on % moves
95% CI
-36% → -22%
Likely range of correlation
Pipeline
Pipeline Summary
691 paired data points survived the daily window.
Raw input
1,254
691
Normalized
1,254
691
Prepared
1,254
691
Aligned
691
691
Invalid removed
R²(i)
9%
Variance explained
Significance
p < 0.001
Statistical confidence
Data points(i)
690
Robust
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: -6 to 6 days.
Selected shift
No shift
Correlation at this shift
-29%
No shift — both series at their actual dates.
690 overlapping points at this shift
Baseline
-29%
No-shift correlation, matching the main time-series chart above.
Peak shift
No shift
-29%
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
+2%
60 periods · Return correlation when both series rose
Both Falling
+10%
66 periods · Return correlation when both series fell
Diverging
-72%
118 periods · Return correlation when series moved apart
Scatter
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
563
A: 563 / B: 0
Series A
iPath Series B S&P 500 VIX Short-Term Futures ETN (VXX)
VXX
Stock · 1,254 raw → 1,254 prepared
Series B
Texas Capital Texas Oil Index ETF (OILT)
OILT
Stock · 691 raw → 691 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
17
Estimated crossover points between normalized spreads.
Slope
-0.1232
Linear regression slope.
Intercept
0.0001
Linear regression intercept.
Saved 2 weeks ago · ID: stock-oilt_stock-vxx_daily_5y
Explore
Top 10 by absolute correlation
Ranked across both sides of this comparison using the same dense row format as the single-symbol correlations view.