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Video: Compound Annual Growth Rate (CAGR) Definition
Date Open High Low Close Volume
10/09/2026 $95.64 $96.58 $95.43 $95.57 1.72M
10/12/2026 $96.32 $97.70 $96.03 $97.16 2.03M
10/13/2026 $96.71 $97.80 $96.30 $96.85 2.30M
10/14/2026 $97.19 $97.94 $95.77 $97.60 2.36M
10/15/2026 $99.66 $100.74 $98.83 $99.31 2.43M
Arch Capital Group Ltd. is a Bermuda-based company, which provides insurance, reinsurance and mortgage insurance through its subsidiaries. The insurance segment consists of the Co.'s insurance underwriting units, which offer specialty product lines, including construction and national accounts; excess and surplus casualty; professional lines; programs; property, energy, marine and aviation; travel, accident and health; warranty and lenders solutions, and others (consisting of alternative markets, excess workers' compensation and surety business).
ACGL historical stock prices picture
Arch Capital Group (ACGL) has the following price history information. Looking back at ACGL historical stock prices for the last five trading days, on October 09, 2026, ACGL opened at $95.64, traded as high as $96.58 and as low as $95.43, and closed at $95.57. Trading volume was a total of 1.72M shares. On October 12, 2026, ACGL opened at $96.32, traded as high as $97.70 and as low as $96.03, and closed at $97.16. Trading volume was a total of 2.03M shares. On October 13, 2026, ACGL opened at $96.71, traded as high as $97.80 and as low as $96.30, and closed at $96.85. Trading volume was a total of 2.30M shares. On October 14, 2026, ACGL opened at $97.19, traded as high as $97.94 and as low as $95.77, and closed at $97.60. Trading volume was a total of 2.36M shares. On October 15, 2026, ACGL opened at $99.66, traded as high as $100.74 and as low as $98.83, and closed at $99.31. Trading volume was a total of 2.43M shares.

ACGL Historical Stock Prices By Date:

ACGL historical cagr picture

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

Growth of $10,000.00
With Dividends Reinvested

Start date: 10/18/2016
End date: 10/15/2026
Start price/share: $26.43
End price/share: $99.31
Starting shares: 378.36
Ending shares: 397.86
Dividends reinvested/share: $5.00
Total return: 295.12%
Average Annual Total Return: 14.73%
Starting investment: $10,000.00
Ending investment: $39,500.85
Years: 10.00
 
Growth of $10,000.00
Without Dividends Reinvested

Start date: 10/18/2016
End date: 10/15/2026
Start price/share: $26.43
End price/share: $99.31
Dividends collected/share: $5.00
Total return: 294.67%
Average Annual Total Return: 14.72%
Starting investment: $10,000.00
Ending investment: $39,466.44
Years: 10.00
Date Close
10/09/2026$95.57
10/12/2026$97.16
10/13/2026$96.85
10/14/2026$97.60
10/15/2026$99.31
ACGL is categorized under the Financials sector; below are some other companies in the same sector:

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Also explore: ACGL shares outstanding history

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