Incorrect % Gain?

[Mark O Connor]

Hello, I have a strange problem with my Google Finance portfolio and would appreciate any help.

 

for all my stocks except one, my percentage gain is the exact same as my overall return, this is how I want it.

 

Unfortunately my main holding shows a % gain of -4.34% when its overall return is +10.45%, how can I get rid of that negative value? There is nothing wrong with my calculations as I have the exact same portfolio on a few other sites and they are all calculated correctly.

 

Please help because its driving me crazy! Thanks.

[Mark O Connor]

Also its correctly showing a 10% gain but the Cost Basis is higher than the market value, how is this? All trades were entered correctly.

[elbrecht]

I've got one like that, too. Just noticed it yesterday.
Sirius
Cost basis- 266.18
Market Value 1755.00
Gain 1488.82
Gain % 559.33
Overall return 442.47%

I have 20 positions and this is the only one that has non-matching
Gain and return positions.

Jim