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RGEN vs WAT: Correlation

Repligen Corporation (RGEN) and Waters Corporation (WAT) show a strong relationship: their 3-year correlation of weekly returns is 0.62.

Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology

Correlation (3Y)
0.62
strong
Correlation (1Y)
0.64
last 12 months
Correlation (5Y)
0.59
long-run
Ann. covariance
1089.5
%² · weekly, annualized

How correlated are RGEN and WAT?

Across a 3-year window, the weekly returns of RGEN and WAT correlate at 0.62, strong. Recent behaviour matches the longer record: 0.64 over 1 year against 0.62 over 3. Stretching to 5 years gives 0.59, with an annualized covariance of 1089.5 %².

By 3-year correlation, WAT places #5 of the 17 assets tracked against RGEN. On 12-month performance RGEN holds a 10.1-point edge, +53.1% against +43.0%.

How is this computed?

Pearson correlation on weekly returns: ρ(A,B) = cov(rA, rB) / (σA · σB), over windows of 52, 156 and 260 weeks. Covariance is annualized (×52) and expressed in %². Full definitions on the methodology page.

RGEN vs WAT: side by side

RGEN (Repligen Corporation)WAT (Waters Corporation)
1-year return+53.1%+43.0%
5-year return-35.6%+2.0%
Volatility (ann.)49.5%35.3%
Beta vs S&P 5001.350.89
Max drawdown (3Y)-50.6%-33.4%
Market cap$10.3B$41.4B
P/E (trailing)252.8105.3
Dividend yield0.00%0.00%
Sector / categoryUS ListedHealth Care
Lower P/E: WAT 105.3 vs 252.8Smaller drawdown: WAT -33.4% vs -50.6%Higher 5y return: WAT +2.0% vs -35.6%
-17%0%+46%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. RGEN · WAT

Year-by-year returns

YearRGENWAT
2022-36.1%-8.1%
2023+6.2%-3.9%
2024-19.9%+12.7%
2025+13.8%+2.4%
2026+11.1%+10.9%

Calendar-year price returns; the current year is year-to-date as of the data date above.

Are RGEN and WAT good diversifiers for each other?

Only partially. A correlation of 0.62 means RGEN and WAT share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.

FAQ

What is the correlation between RGEN and WAT?

As of 2026-08-27, the correlation of weekly returns between RGEN and WAT is 0.62 over 3 years, 0.64 over 1 year and 0.59 over 5 years.

Is WAT a good diversifier for RGEN?

Only partially. A correlation of 0.62 means RGEN and WAT share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.

What does a correlation of 0.62 mean?

A reading of 0.62 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.

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RGEN vs WAT: 3-year weekly correlation 0.62RGEN vs WAT0.62

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Related comparisons

Hubs: RGEN correlations · WAT correlations