Quicken only allows one instance of each security name.
Also the CVX symbol in usually for Chevron. The Symbol is used to identify securities for quote downloading, and should not normally include the security name.
Please explain exactly what you are trying to do.
CVX is the security symbol for Chevron.
You might try CVX-USD. No promises. I don't have crypto experience in Quicken.
No 2 securities should EVER have the same symbol. In securities trading its the symbol, not the name, that identifies the security
Q user since February, 1990. DOS Version 4
Now running Quicken Windows Subscription, Business & Personal
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There's mention about using "^" as a prefix to crypto symbols …