What If You Invested $1,000 in S&P Global (SPGI)?
Enter any amount and start date. We use historical prices to show your hypothetical return.
Historical extremes
Maximum profit (buy at all-time low, sell at peak), maximum drawdown (peak to trough), and total return from IPO to current price.
Max profit
+398714.12% (3,988 times)
- Buy
- Dec 3, 1974
- $0.14
- Sell
- Aug 14, 2025
- $562.06
Buying SPGI at the all-time low and selling at the peak would have turned $1,000 into $3,988,141.23.
Max drawdown
-74.67% (fell to 25% of peak)
- Peak
- Jun 4, 2007
- $51.51
- Trough
- Mar 9, 2009
- $13.05
The worst decline for SPGI was -74.67% (fell to 25% of peak) from peak to trough.
IPO to current
+129203.80% (1,293 times)
- IPO
- Feb 21, 1973
- $0.33
- Current
- Mar 16, 2026
- $426.59
A $1,000 investment in SPGI at IPO would be worth $1,293,038.01 today.
Dollar amounts based on selected investment ($1,000)
Frequently asked questions
What is S&P Global (SPGI) stock's all-time high and all-time low?
- S&P Global (SPGI) stock's all-time low was $0.14 on Dec 3, 1974. The all-time high was $562.06 on Aug 14, 2025.
What if you invested $1,000 in S&P Global (SPGI) stock at the all-time low?
- Buying S&P Global (SPGI) stock at the all-time low ($0.14 on Dec 3, 1974) and selling at the peak ($562.06 on Aug 14, 2025) would have turned $1,000 into $3,988,141.23. Historical return: +398714.12% (3,988 times).
What are S&P Global (SPGI)'s best buy and sell dates for maximum profit?
- The best buy date for S&P Global (SPGI) stock was Dec 3, 1974 (all-time low at $0.14). The best sell date was Aug 14, 2025 at $562.06. This investment would have returned +398714.12% (3,988 times).
What was S&P Global (SPGI) stock's maximum drawdown?
- S&P Global (SPGI) stock's worst decline was -74.67% (fell to 25% of peak) from peak to trough. Peak: $51.51 on Jun 4, 2007. Trough: $13.05 on Mar 9, 2009. A $1,000 investment at the peak would have been worth $253.33 at the trough.
What if you bought S&P Global (SPGI) stock at IPO?
- A $1,000 investment in S&P Global (SPGI) stock at IPO ($0.33 on Feb 21, 1973) would be worth $1,293,038.01 today. Historical return: +129203.80% (1,293 times). Current stock price: $426.59 as of Mar 16, 2026.
What if you invested $1,000 in S&P Global (SPGI) 5 years ago?
- A $1,000 investment in S&P Global (SPGI) stock 5 years ago ($335.19 on Mar 16, 2021) would be worth $1,272.67 today. Historical return: +27.27% (1.27 times). Current stock price: $426.59 as of Mar 16, 2026.
What if you invested $1,000 in S&P Global (SPGI) 10 years ago?
- A $1,000 investment in S&P Global (SPGI) stock 10 years ago ($86.39 on Mar 16, 2016) would be worth $4,937.97 today. Historical return: +393.80% (4.94 times). Current stock price: $426.59 as of Mar 16, 2026.
What if you invested $1,000 in S&P Global (SPGI) 20 years ago?
- A $1,000 investment in S&P Global (SPGI) stock 20 years ago ($41.62 on Mar 16, 2006) would be worth $10,250.51 today. Historical return: +925.05% (10.3 times). Current stock price: $426.59 as of Mar 16, 2026.
About this data
- How does the investment calculator work?
- Enter an investment amount and a start date. We use historical stock prices to calculate how many shares you would have bought, then apply the current price to show your hypothetical portfolio value and return.
- What are Historical extremes?
- Max profit: buy at all-time low, sell at the highest price after. Max drawdown: the largest peak-to-trough decline in price. IPO to current: total return from IPO date to the latest price.
- What is Max drawdown?
- Maximum drawdown is the largest peak-to-trough decline in price. It shows the worst drop from any prior high to a subsequent low. Peak and Trough are the dates and prices at which this decline occurred.
- Does this include dividends?
- The calculator uses adjusted closing prices when available, which account for stock splits and dividends. For the most accurate results, we recommend using data that includes dividend adjustments.
- Where does the price data come from?
- Historical prices are from Yahoo Finance, adjusted for stock splits and dividends. We use adjusted close for all calculations.
- How are the dollar amounts in the cards calculated?
- The dollar amounts in Historical extremes use the investment amount you select in the calculator above (e.g. $1,000). They show what your investment would have been worth at the Buy/Peak/IPO date versus the Sell/Trough/Current date.
- What date range can I use?
- The available date range depends on our historical price data for SPGI. You can select any date between our first and most recent data point.
