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README.md

@@ -528,6 +528,10 @@ For any financial statement, I make sure to line it up with the corresponding *c
 
 When looking at a company such as Hyundai Motor Company (ticker: 005380.KS), you will notice that the financial statements are reported in KRW (South Korean won). As this specific ticker is listed on the Korean Exchange, the historical market data will also be reported in KRW. However, if you use the ticker HYMTF, which is listed on the American OTC market, the historical market data will be reported in USD. To deal with this discrepancy, the end of year or end of quarter exchange rate is retrieved which is used to convert the financial statements to USD. This is done to prevent ratio calculations such as the Free Cash Flow Yield (which is based on the market capitalization) or Price Earnings Ratio (which is based on the stock price) from being incorrect. This can be disabled by setting `convert_currency=False` in the Toolkit initialization. It is recommended to always use the ticker that is listed on the exchange where the company is based.
 
+> **How can I get TTM (Trailing Twelve Months) and Growth metrics?**
+
+Most functions will have the option to define the `trailing` parameter. This lets you define the number of periods that you want to use to calculate the trailing metrics. For example, if you want to calculate the trailing 12-month (TTM) Price-to-Earnings Ratio, you can set `trailing=4` when you have set `quarterly=True` in the Toolkit initialization. The same goes for growth metrics which can be calculated by setting `growth=True`. This will calculate the growth for each period based on the previous period. This also includes a `lag` parameter in which you can define lagged growth. Furthermore, you can also combine the trailing and growth parameters to get trailing growth. For example, set `trailing=4` and `growth=True`  for the Price-to-Earnings Ratio which will then calculate the TTM growth.
+
 > **How can I save the data periodically so that I don't have to retrieve it every single time again?**
 
 The Toolkit initialization has the ability to add custom datasets which can serve as input for external datasets from different providers but also to prevent downloading all of the same data again. Have a look at [this comment](https://github.com/JerBouma/FinanceToolkit/issues/68#issuecomment-1748684501) that explains this further.