This is the ABSOLUTE most critical metric out there when trading crypto. If your exchange does not offer this, move to another that does. Can you rely on any exchange thats offers this? Also, most this 3rd party bot service or platform most likely will NOT offer this metric to you. So be forewarned about this. If you don’t get it, you could get crush and lose money.
Free trading books https://quantlabs.net/
or learn algo trading https://quantlabs.net/dvd
https://quantlabs.net/blog/2020/04/most-powerful-high-frequency-trading-aka-hft-like-metric-for-a-crypto-trading-bot/