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$1,000 in American Electric Power Company, Inc. in 2003 → $12,043 today

If you'd invested $1,000 in American Electric Power Company, Inc. (AEP) on January 1, 2003 — at the December 2002 month-end close of $10.48 — and held to the latest close (2026-08-), you'd have $12,043. That's a +1104.3% total return — beating the S&P 500, where the same $1,000 became $8,761.

$1,000 in 2003$12,043Total return+1104.3%Multiple12.0×CAGR+11.1%

Nearby years: 2000 · 2001 · 2002 · 2004 · 2005 · 2006 · 2007 all years →

FAQ

How much is $1,000 invested in AEP in 2003 worth today?

$1,000 invested in American Electric Power Company, Inc. (AEP) at the month-end close of 2002-12- would be worth $12,043 at the latest month-end close (2026-08-), a total return of +1104.3% with dividends reinvested.

Did $1,000 in AEP in 2003 beat the market?

Over the same span, $1,000 in the S&P 500 index would be worth $8,761 — so American Electric Power Company, Inc. (AEP) beat the index by +37.5%.

What does "month-end close" mean for this calculation?

The scenario invests at the December 2002 month-end close (the price entering 2003) and values the position at the most recent month-end close (2026-08-). Intra-month extremes are shown on the AEP calculator page.

Is the 2003–2026 return in AEP typical?

No single year is typical. AEP's best calendar-year return since 1962 was about +62.6%, and its worst was -38.3%.

Methodology

American Electric Power Company, Inc. (AEP) total-return data from January 2003 through the latest month-end close (2026-08-).

The entry price is the 2002 December month-end close and the exit is the latest available month-end close, both from adjusted (split and dividend) Yahoo Finance historical data.

Month-end resolution, no taxes or fees, and history never guarantees the future. For exact-date precision (including buying at a panic low), use the AEP calculator page.

Full methodology →

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Data: Yahoo Finance. As of 2026-08-. Not financial advice.