Tracking repeated transaction for Exchange rate gain/loss

I have a misterios exchange rate gain/loss. I don’t know the related transacción. How can I track it since the transacción don’t give any reference?

Thank you.

Go to Reports - General Ledger Transactions and enter the date(s of the transactions

Thank you for you response. The General Ledger transacciones showed no transacción to blame for the exchange rate gain/loss so I remembre that I had updated the exchange rate and that was the culprit for the mysterious transactions. Why ? I don’t know because it was just a couple of cents adjustment but I went on and deleted the included exchange rate and all went to normal!