Yes, we offer historical data for all our available indicators. That means that you can, for example, ask what the RSI value was for Bitcoin (BTC/USDT) every day for the past 5 years.
How far into history can I go?
For every timeframe, we keep approximately 2000 candles. That means on the daily timeframe, you can go over 5 years into history. On the hourly timeframe, you can go as far as 80 days back. On the minute timeframe, you can track back up to 2000 minutes back and so on.