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Historical Stock Return Calculator

Stock Return Calculator: Compare Returns for Two Stocks

The calculator computes total return with dividends reinvested, annualized return plus a summary of profitable and unprofitable returns for any two stocks, exchange-traded funds (ETFs) or mutual funds supported by Alpha Vantage. Indexes are not supported. All prices are adjusted for splits and dividends.

Use SPY or VOO to represent S&P 500 prices.

Calculator Input
Stock Symbols 1 & 2:
Return Period:   
Investment ($):
Number of Years of Prices:
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Performance Results AAPL MSFT
Start Date2021-11-302021-11-30
Start Price$161.35$317.83
End Date2026-11-122026-11-12
End Price$354.88$523.00
# Prices6161
Initial One-time Investment $1,000.00 $1,000.00
Number Shares Purchased6.1975573.146356
Min DateDec-30-2022Oct-31-2022
Min Price$127.56$224.65
Max DateNov-12-2026Jul-31-2025
Max Price$354.88$528.25
Total Return119.94%64.55%
Annualized Return17.07%10.47%
Current Value of Investment$2,199$1,646
# Returns1,8301,830
Average Return36.10%32.02%
Minimum Return-26.40%-30.52%
Maximum Return178.20%135.14%
Number Profitable Returns1,5951,500
Percent Profitable Returns87.16%81.97%
Number Unprofitable Returns235330
Percent Unprofitable Returns12.84%18.03%
Profitable to Unprofitable Returns Ratio6.794.55