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Correlation Analysis

BERKSHIRE HATHAWAY Class B vs International Flavors & Fragrances Inc.

BRK.B vs IFF

-0.697

Strong inverse

When one moves up, the other tends to move down.

BRK.B logo

BERKSHIRE HATHAWAY Class B

BRK.B

Berkshire Hathaway is a holding company with a wide array of subsidiaries engaged in diverse activities. The firm's core business segment is insurance, run primarily through Geico, Berkshire Hathaway Reinsurance Group, and Berkshire Hathaway Primary Group. Berkshire has used the excess cash thrown off from its operations to acquire Burlington Northern Santa Fe (railroad), Berkshire Hathaway Energy (utilities and energy distributors), and the companies that make up its manufacturing, service, and retailing operations (which include Precision Castparts, Lubrizol, Clayton Homes, Marmon, and IMC/ISCAR). The conglomerate is unique in that it is run on a completely decentralized basis. Berkshire is expected to generate close to $375 billion in revenue in 2025.

Market cap 1T

IFF logo

International Flavors & Fragrances Inc.

IFF

International Flavors & Fragrances is the largest specialty ingredients producer globally. It sells ingredients for the food, beverage, health, household goods, personal care, and pharmaceutical industries. The company makes proprietary formulations, partnering with customers to deliver custom solutions. Through its taste and scent segments, which each generate around 25% of profits, IFF is a leading flavor and fragrances producer. The health and biosciences business, which generates 30% of profits, is a global leader in probiotics and enzymes. The remaining profits come from the food ingredients business, which sells texturants, plant-based proteins, and other ingredients, though IFF plans to divest this business in the future.

Market cap 18.3B · 21,500 employees

Apr 9, 2021 — Apr 7, 2026Daily1,254 data pointsStockStock

Time Series

Relative Performance

Green: BRK.BGray: IFF36 of 1,254 points (sampled)

Who Moves First

IFF leads BRK.B by 6 days

IFF tends to move before BRK.B.

After testing 13 timing shifts, the strongest relationship was -0.700 (they moved in opposite directions).

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

-0.610

12 periods · Return correlation when both series rose

Both Falling

+0.156

8 periods · Return correlation when both series fell

Diverging

-0.741

15 periods · Return correlation when series moved apart

R-Squared

48.5%

Share of variance in one series explained by the other.

Trend Agreement

66.2%

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: [-0.724, -0.667]

Scatter

XY Regression

247250300350400450500522.156.46080100120140154.3BERKSHIRE HATHAWAY Class BInternational Flavors & Fragrances Inc.Data pointsFit (r = -0.697)

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

BRK.B logo

BERKSHIRE HATHAWAY Class B

BRK.B

Market cap 1T

Stock · 1,254 raw → 1,254 prepared

Series B

IFF logo

International Flavors & Fragrances Inc.

IFF

Market cap 18.3B · 21,500 employees

Stock · 1,254 raw → 1,254 prepared

Sign agreement

100.0%

How often both values share the same sign.

Zero crossings

13

Estimated crossover points between normalized spreads.

Slope

-0.2257

Linear regression slope.

Intercept

183.8937

Linear regression intercept.

Related Extremes

Highest and Lowest Correlated

Saved 7 hours ago · ID: stock-brk-b-vs-stock-iff-daily