A difference of 1% in investment returns doesn’t sound like much.
But the 1 percent difference in investment returns can have a dramatic impact when compounded over decades.
It’s a small number.
But over time, small differences can compound in unexpected ways.
Which leads to a simple question:
What does a 1% difference actually mean in real terms?
This isn’t about predicting returns.
It’s simply a curiosity worth exploring.
Try This Small Experiment
Open ChatGPT, Gemini or another language model.
Then paste the prompt below.
Please compare the following two scenarios: £100,000 invested for 25 years at:
Please show: • The final value in each scenario • The difference in pounds • A simple explanation of the difference |
It only takes a few seconds.
What This Experiment Does
This experiment turns a small percentage difference into a tangible outcome.
It helps illustrate how compounding works over time.
Sometimes the difference is larger than expected.
Sometimes it simply reinforces how long-term investing behaves.
Either outcome is useful.
Curiosity Before Conclusions
The purpose of this experiment is not to suggest a “better” return.
It is to explore how small differences can shape long-term outcomes.
Because understanding compounding often changes how people think about money.
If This Raised Questions
If this experiment sparked further curiosity, you may find the following useful:
• Evoa – a structured environment for exploring financial questions independently
• The Wealth Coach – if you prefer to discuss your thinking with someone experienced
You can also subscribe to Letters, where we regularly explore ideas about financial thinking and decision-making.
Financial Curiosity Project | Exploring better questions about money.