Historical Stock Price
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Video: Compound Annual Growth Rate (CAGR) Definition
Date Open High Low Close Volume
08/03/2026 $232.58 $236.07 $231.29 $232.33 264.50K
08/04/2026 $230.14 $231.19 $226.90 $228.04 365.70K
08/05/2026 $229.24 $231.69 $227.83 $229.12 301.50K
08/06/2026 $230.55 $232.96 $228.71 $231.46 211.10K
08/07/2026 $229.00 $231.32 $227.06 $229.08 148.10K
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 August 03, 2026, THG opened at $232.58, traded as high as $236.07 and as low as $231.29, and closed at $232.33. Trading volume was a total of 264.50K shares. On August 04, 2026, THG opened at $230.14, traded as high as $231.19 and as low as $226.90, and closed at $228.04. Trading volume was a total of 365.70K shares. On August 05, 2026, THG opened at $229.24, traded as high as $231.69 and as low as $227.83, and closed at $229.12. Trading volume was a total of 301.50K shares. On August 06, 2026, THG opened at $230.55, traded as high as $232.96 and as low as $228.71, and closed at $231.46. Trading volume was a total of 211.10K shares. On August 07, 2026, THG opened at $229.00, traded as high as $231.32 and as low as $227.06, and closed at $229.08. Trading volume was a total of 148.10K 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: 08/11/2016
End date: 08/07/2026
Start price/share: $79.46
End price/share: $229.08
Starting shares: 125.85
Ending shares: 167.44
Dividends reinvested/share: $35.76
Total return: 283.57%
Average Annual Total Return: 14.40%
Starting investment: $10,000.00
Ending investment: $38,365.43
Years: 9.99
 
Growth of $10,000.00
Without Dividends Reinvested

Start date: 08/11/2016
End date: 08/07/2026
Start price/share: $79.46
End price/share: $229.08
Dividends collected/share: $35.76
Total return: 233.30%
Average Annual Total Return: 12.80%
Starting investment: $10,000.00
Ending investment: $33,327.63
Years: 9.99
Date Close
08/03/2026$232.33
08/04/2026$228.04
08/05/2026$229.12
08/06/2026$231.46
08/07/2026$229.08
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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