Historical scenario / MSFT / 1991
If you had bought MSFT in 1991 with $10,000...
Estimated value
$8,669,589
Buy Price
Jan 1, 1991
$0.6236
Sell Price
Oct 12, 2026
$541
Multiplier
867.0×
ROI
+86596%
Adjust assumptions
Change the investment amount and entry-price basis.
Choose which price you bought at. You always sell at today's price.
$541
Current market price
Run it again (different timeline)
Same year. Different mistake.
Calculation record
How this result was calculated
The selected investment amount is divided by the chosen 1991 entry price, then multiplied by the latest available price. Taxes, trading fees, spreads, dividends and inflation are not included.
- Year open
- $0.634
- Year low / high
- $0.624 / $1.416
- Latest price
- $540.62
- Price as of
- 2026-10-12
Source: GhostGains market-data API using publicly available market observations. Prices can be delayed and should be independently verified.
Same period benchmark
Compared with the S&P 500
Both returns use the first available price in 1991 and the latest available price. This is a price-return comparison and may exclude dividends.
MSFT
852.46×
85146.1%
S&P 500
23.92×
2292.1% · as of 2026-10-12
Scenario context
In 1991, Microsoft traded between $0.624 and $1.416, a range equal to 124.9% of its opening price. An investment made at the year's low produces the headline result above; using the year's opening price produces a 852.46× price multiple instead. Over the same measurement window, the S&P 500 price multiple was 23.92×.