Correlation Analysis
NetFlix Inc vs Natera, Inc. Common Stock
NFLX vs NTRA
+0.877
Very strong 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

Natera, Inc. Common Stock
↗NTRA
Natera Inc is a diagnostic and research company with proprietary molecular and bioinformatics technology. The company's key product offerings include its Panorama Non-Invasive Prenatal Test (NIPT) which screens for chromosomal abnormalities of a fetus as well as in twin pregnancies, typically with a blood draw from the mother, Horizon Carrier Screening (HCS) to determine carrier status for a large number of severe genetic diseases that could be passed on to the carrier's children, Signatera molecular residual disease (MRD) test, which detects circulating tumor DNA in patients previously diagnosed with cancer to assess molecular residual disease and monitor for recurrence; and Prospera, to assess organ transplant rejection.
Market cap 29B · 6,140 employees
Time Series
Relative Performance
Who Moves First
NFLX leads NTRA by 6 days
NFLX tends to move before NTRA.
After testing 13 timing shifts, the strongest relationship was +0.878 (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
+0.170
17 periods · Return correlation when both series rose
Both Falling
+0.344
9 periods · Return correlation when both series fell
Diverging
-0.840
9 periods · Return correlation when series moved apart
R-Squared
76.9%
Share of variance in one series explained by the other.
Trend Agreement
63.0%
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: [0.863, 0.889]
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

Natera, Inc. Common Stock
NTRA
Market cap 29B · 6,140 employees
Stock · 1,254 raw → 1,254 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
26
Estimated crossover points between normalized spreads.
Slope
1.6254
Linear regression slope.
Intercept
1.8836
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
Saved 7 hours ago · ID: stock-nflx-vs-stock-ntra-daily