When I look up my address on cronos.crypto.org/explorer I can see that I own ~4.5 CRO. However, Koinly thinks I own -1.5 CRO (yes negative).
Let me walk you through the transactions that caused this:
1.) Purchased 6 CRO through the Crypto.com app.
2.) Transferred 6 CRO to my DeFi wallet.
3.) Bridged my 6 CRO from Crypto.org to Cronos.
4.) Staked some VVS and paid 1.5 CRO in fees to do so.
The Crypto.org chain correctly syncs and shows that I received 6 CRO in my DeFi wallet from the app. Where it seems to go wrong is in the conversion of the CRO from Crypto.org to Cronos. Koinly sees that the 6 CRO left my Crypto.org chain wallet but it doesn't understand that it ended up in my Cronos chain wallet.
The Cronos chain wallet does however see my 1.5 CRO fees so it think I am in the hole with -1.5 CRO.