Price change
+618.5%
+CZK 15,461
Contribution to the result: +154.6 pp
Deposit
CZK 2,500
At the end
CZK 17,961
Premium · custom simulation
Build your own portfolio.
Pick stocks, set their weights and see how the set would have done in the past. It's only a calculation from prices — nothing is saved and it isn't a recommendation.
Custom portfolio simulation
Build your own combination
Add stocks and their weights and compare how they would have done together. The set isn't saved — it only lives in this page's link.
Max. 8 positions
Custom sets are part of Premium
Without Premium you can explore the sample portfolio. With Premium you build your own: stocks, weights, amount and period.
Sample result
This is what a simulation result looks like
Calculated for the sample portfolio. With Premium you get the same for your own set of stocks, weights and period.
IllustrativePublic demo · not saved
Sample portfolio
Four well-known stocks, each with the same weight. Only price changes are counted, without currency effects. Enter a model amount, choose a benchmark and see the price result based on historical data. Premium unlocks a custom period; the result is still only an illustrative price index.
Up to CZK 10,000 without Premium.
A higher amount and custom parameters are Premium · 14 days freeSNDK 25%AMZN 25%NVDA 25%CEZ.PR 25%
Price changes only, without currency rates and dividends.
Model deposit
CZK 10,000
at the start of the period
Value at the end
CZK 26,183
23/10/26 · price result
Change in value
+CZK 16,183
excluding dividends, fees, taxes and currency moves
Result for the period
+161.8%
27/10/25 – 23/10/26
Model value over time
Both lines start at 100, so they are easy to compare.
Sample portfolioS&P 500
27/10/2523/10/26
Composition
Each stock starts with the same weight. Not a recommended allocation.
Sandisk25%
Amazon25%
NVIDIA25%
ČEZ25%
Breakdown by asset
What drove the result?
Open an asset's detail to see its signal, health, valuation and other metrics.
Contributions to the result
What drove the result?
A contribution is the change in percentage points after weighting each position.
SNDK Sandisk+154.6 pp
NVDA NVIDIA+3.2 pp
AMZN Amazon+2.4 pp
CEZ.PR ČEZ+1.6 pp
Price change
+9.8%
+CZK 244
Contribution to the result: +2.4 pp
Deposit
CZK 2,500
At the end
CZK 2,744
Price change
+12.9%
+CZK 322
Contribution to the result: +3.2 pp
Deposit
CZK 2,500
At the end
CZK 2,822
Price change
+6.2%
+CZK 155
Contribution to the result: +1.6 pp
Deposit
CZK 2,500
At the end
CZK 2,655
This is not your saved portfolio and not an investment recommendation. It is an illustrative price backtest without dividends, fees, taxes or currency effects.
The custom simulation is only a historical price calculation. It does not account for dividends, fees, taxes, currency hedging or actual purchases. FinSignal does not provide investment advice.