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Video: Compound Annual Growth Rate (CAGR) Definition
THG Historical Price Range
Date Open High Low Close Volume
09/04/2026 $233.28 $233.28 $228.30 $228.38 209.30K
09/08/2026 $225.76 $227.64 $223.82 $224.48 233.50K
09/09/2026 $222.85 $228.35 $222.05 $223.90 236.50K
09/10/2026 $226.40 $228.65 $223.42 $224.01 221.20K
09/11/2026 $224.75 $226.43 $222.69 $225.84 341.10K
About Hanover Insurance Group
The Hanover Insurance Group, Inc. is the holding company, which is engaged in the business of property and casualty insurance products and services. Co. operates through three segments: Core Commercial, Specialty, Personal Lines and Other. Core Commercial product suite provides agents and customers with products designed for small and mid-sized businesses. Core Commercial segment coverages include commercial multiple peril, workers' compensation, and other core commercial. Specialty segment offers a comprehensive suite of products focused predominately on small to mid-sized businesses.
THG historical stock prices picture
Hanover Insurance Group (THG) has the following price history information. Looking back at THG historical stock prices for the last five trading days, on September 04, 2026, THG opened at $233.28, traded as high as $233.28 and as low as $228.30, and closed at $228.38. Trading volume was a total of 209.30K shares. On September 08, 2026, THG opened at $225.76, traded as high as $227.64 and as low as $223.82, and closed at $224.48. Trading volume was a total of 233.50K shares. On September 09, 2026, THG opened at $222.85, traded as high as $228.35 and as low as $222.05, and closed at $223.90. Trading volume was a total of 236.50K shares. On September 10, 2026, THG opened at $226.40, traded as high as $228.65 and as low as $223.42, and closed at $224.01. Trading volume was a total of 221.20K shares. On September 11, 2026, THG opened at $224.75, traded as high as $226.43 and as low as $222.69, and closed at $225.84. Trading volume was a total of 341.10K shares.

THG Historical Stock Prices By Date:

THG historical cagr picture

Below, we examine the compound annual growth rate — CAGR for short — of an investment into Hanover Insurance Group shares, starting with a $10,000 purchase of THG, and working forward through the historical stock price information to today.

Growth of $10,000.00
With Dividends Reinvested
Start date: 09/14/2016
End date: 09/11/2026
Start price/share: $75.42
End price/share: $225.84
Starting shares: 132.59
Ending shares: 177.15
Dividends reinvested/share: $36.71
Total return: 300.08%
Average Annual Total Return: 14.88%
Starting investment: $10,000.00
Ending investment: $40,020.20
Years: 10.00
 
Growth of $10,000.00
Without Dividends Reinvested
Start date: 09/14/2016
End date: 09/11/2026
Start price/share: $75.42
End price/share: $225.84
Dividends collected/share: $36.71
Total return: 248.12%
Average Annual Total Return: 13.29%
Starting investment: $10,000.00
Ending investment: $34,815.07
Years: 10.00
THG Historical Closing Prices
Date Close
09/04/2026$228.38
09/08/2026$224.48
09/09/2026$223.90
09/10/2026$224.01
09/11/2026$225.84
Financials Historical Prices
THG is categorized under the Financials sector; below are some other companies in the same sector:

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Also explore: THG shares outstanding history

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