Correlation Analysis
NetFlix Inc vs Zscaler, Inc. Common Stock
NFLX vs ZS
+0.591
Moderate positive
When one moves up, the other tends to follow.
NetFlix Inc
↗NFLX
Netflix's relatively simple business model involves only one business, its streaming service. It has the biggest television entertainment subscriber base in both the United States and the collective international market, with more than 300 million subscribers globally. Netflix has exposure to nearly the entire global population outside of China. The firm has traditionally avoided a regular slate of live programming or sports content, instead focusing on on-demand access to episodic television, movies, and documentaries. The firm introduced ad-supported subscription plans in 2022, giving the firm exposure to the advertising market in addition to the subscription fees that have historically accounted for nearly all its revenue.
Market cap 417.7B
Zscaler, Inc. Common Stock
↗ZS
Zscaler is a software-as-a-service, or SaaS, firm focusing on providing cloud-native cybersecurity solutions to primarily enterprise customers. Zscaler's offerings can be broadly partitioned into Zscaler Internet Access, which provides secure access to external applications, and Zscaler Private Access, which provides secure access to internal applications. The firm is headquartered in San Jose, California, and went public in 2018.
Market cap 22.4B · 7,923 employees
Time Series
Relative Performance
Who Moves First
NFLX leads ZS by 6 days
NFLX tends to move before ZS.
After testing 13 timing shifts, the strongest relationship was +0.601 (they moved in the same direction).
Do They Crash Together?
Correlation by Market Regime
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
+0.725
15 periods · Return correlation when both series rose
Both Falling
+0.529
8 periods · Return correlation when both series fell
Diverging
-0.621
12 periods · Return correlation when series moved apart
R-Squared
34.9%
Share of variance in one series explained by the other.
Trend Agreement
66.4%
How often both series moved in the same direction period-to-period.
Overlap Quality
1,254
Deep shared window — 1,254 usable pairs.
Significance
p < 0.001
95% CI: [0.554, 0.626]
Scatter
XY Regression
Pipeline
Data quality details
Pipeline
Data quality details
Pipeline Summary
1,254 paired data points survived the daily window.
Raw input
1,254
1,254
Normalized
1,254
1,254
Prepared
1,254
1,254
Aligned
1,254
1,254
Invalid removed
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
0
A: 0 / B: 0
Series A
NetFlix Inc
NFLX
Market cap 417.7B
Stock · 1,254 raw → 1,254 prepared
Series B
Zscaler, Inc. Common Stock
ZS
Market cap 22.4B · 7,923 employees
Stock · 1,254 raw → 1,254 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
44
Estimated crossover points between normalized spreads.
Slope
1.1399
Linear regression slope.
Intercept
130.9896
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
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