These are usually the macroeconomic risks which tend to affect the whole market. Example of systematic risk include –
- De-growth in GDP
- Interest rate tightening
- Fiscal deficit
- Geo political risk
how are these calculated and affect the market?
real economy influences the secondary stock market, but influences only. separate both n analyze how much the real economy figures going to affect long term trend or short term shocks.
This one is a complex task and you cannot really assess the impact accurately. However, you could try the following -
- Download the historical time series data of a particular macro
- Download the Index data for the same time period
- Check for correlation
You can also venture into a more advanced statistical approach employing something called as the ‘Principal Component Analysis’ - https://en.wikipedia.org/wiki/Principal_component_analysis