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Video: Compound Annual Growth Rate (CAGR) Definition
MSEX Historical Price Range
Date Open High Low Close Volume
10/12/2026 $53.32 $53.74 $53.19 $53.74 143.30K
10/13/2026 $54.19 $54.19 $53.38 $53.80 184.10K
10/14/2026 $53.42 $54.15 $53.05 $53.64 120.50K
10/15/2026 $54.48 $54.90 $53.83 $53.91 161.80K
10/16/2026 $53.92 $54.67 $53.49 $54.59 179.40K
About Middlesex Water
Middlesex Water Co. is a water utility company. Co. owns and operates regulated water utility and wastewater systems primarily in New Jersey and Delaware. It also operates water and wastewater systems under contract on behalf of municipal and private clients primarily in New Jersey and Delaware. Co. operates through two segments: Regulated and Non-Regulated. The Regulated segment is engaged in the business of collecting, treating and distributing water on a retail and wholesale basis to residential, commercial, industrial and fire protection customers in parts of New Jersey and Delaware.
MSEX historical stock prices picture
Middlesex Water (MSEX) has the following price history information. Looking back at MSEX historical stock prices for the last five trading days, on October 12, 2026, MSEX opened at $53.32, traded as high as $53.74 and as low as $53.19, and closed at $53.74. Trading volume was a total of 143.30K shares. On October 13, 2026, MSEX opened at $54.19, traded as high as $54.19 and as low as $53.38, and closed at $53.80. Trading volume was a total of 184.10K shares. On October 14, 2026, MSEX opened at $53.42, traded as high as $54.15 and as low as $53.05, and closed at $53.64. Trading volume was a total of 120.50K shares. On October 15, 2026, MSEX opened at $54.48, traded as high as $54.90 and as low as $53.83, and closed at $53.91. Trading volume was a total of 161.80K shares. On October 16, 2026, MSEX opened at $53.92, traded as high as $54.67 and as low as $53.49, and closed at $54.59. Trading volume was a total of 179.40K shares.

MSEX Historical Stock Prices By Date:

MSEX historical cagr picture

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

Growth of $10,000.00
With Dividends Reinvested
Start date: 10/19/2016
End date: 10/16/2026
Start price/share: $33.98
End price/share: $54.59
Starting shares: 294.29
Ending shares: 357.33
Dividends reinvested/share: $11.62
Total return: 95.07%
Average Annual Total Return: 6.91%
Starting investment: $10,000.00
Ending investment: $19,503.11
Years: 10.00
 
Growth of $10,000.00
Without Dividends Reinvested
Start date: 10/19/2016
End date: 10/16/2026
Start price/share: $33.98
End price/share: $54.59
Dividends collected/share: $11.62
Total return: 94.84%
Average Annual Total Return: 6.90%
Starting investment: $10,000.00
Ending investment: $19,484.88
Years: 10.00
MSEX Historical Closing Prices
Date Close
10/12/2026$53.74
10/13/2026$53.80
10/14/2026$53.64
10/15/2026$53.91
10/16/2026$54.59
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Also explore: MSEX shares outstanding history

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