You moved around 32000 USD worth of STEEM or SBD from an Exchange to your account @demotruk (=USD deposit), and you moved around 12000 USD from @demotruk back to an exchange (=USD withdraw). The difference between deposit and withdraw is the "investment", currenty around 20000 USD = (32000-12000)
USD_invested = USD_deposited - USD_withdraw
The numbers for your account ...
61 @demotruk 19980 31984 -12004
You moved around 32000 USD worth of STEEM or SBD from an Exchange to your account @demotruk (=USD deposit), and you moved around 12000 USD from @demotruk back to an exchange (=USD withdraw). The difference between deposit and withdraw is the "investment", currenty around 20000 USD = (32000-12000)
Ah, thanks. I can't see the last column because I'm using my phone it seems.
I just invited you to our investors chat channel https://steemit.chat/group/steeminvestors . There you find the full list with all 8800 accounts ;-)