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What if I invested instead of buying the Sony Walkman?
$200 in July 1979
You spent on Sony Walkman:
$200
One-time purchase
If invested in S&P 500:
$9,404
As of December 2025
4,602.0%
Total Return
$9,204
Profit
46 years and 5 months
Time Period
About the Sony Walkman
The portable music player that changed how the world listened to music.
๐ก Fun Fact: Sony's co-founder Akio Morita insisted on the project even though engineers said it would fail.
The Math ๐
Original price:$200
Released:July 1979
Investment period:46 years and 5 months
Current value:$9,404
Total gain:+4,602.0%