Newbie question on margin trading fees for Kraken

[AmorJogo]

Hey everyone,

Been reading the forum for a while, but never actually posted.

Anyway, I did my first margin trading this morning on the Kraken Exchange platform.
Obviously, as it's the first time, I'm using minimal amounts, just to test how everything works.
Now the issue is that I just can't figure out the math behind the Kraken fees.

Let me explain:
Situation 1: Long position - Leverage trading 2/1 - 1 ETH

1) I BUY market order - 1 ETH for 232,5€ (leverage 2:1)
2) I set a SELL limit order - 1 ETH for 232,6€ (leverage 2:1)
3) Less than 4 hours later the price reaches 232,6€ and both the position and order are filled
4) My net EUR balance on my account increased 0,10€

Fees for ETHEUR margin trading are 0,02% to open and 0,02% on top for every 4 hrs => I don't see where I paid any fees in this transaction?
EDIT: I do think I lost some ETH on the way in this trade, so could it be the fee is processed in ETH ?

Situation 2: Short position - Leverage trading 2/1 - 1 ETH

1) I SELL 1 ETH through margin trading - 1 ETH for 232,3571€ (leverage 2:1)
2) I set a BUY limit order - 1 ETH for 232,25€ (leverage 2:1)
3) Less than 4 hours later the price reaches 232,25€ and both the position and order are filled
4) My net EUR balance on my account decreased 0,26€...

Since, I've been trying to calculate why my balance decreased after a successfully filled position. Must have something to do with the fees, but just can't figure it out.

Can someone please explain ? Thanks in advance!

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[AmorJogo]

Ok, so figured it out myself.
For the newbies like me, I'm answering my question below.

Net, the Kraken fee structure is:
LIMIT ORDER: 0,16%
MARKET ORDER: 0,26%
CREATE MARGIN POSITION: 0,02%
EVERY 4HRS POSITION NOT CLOSED: 0,02%

So on my example scenario 1 below:
- I paid 0,26+0,02% = 0,65€ fee to create my margin position (MARKET ORDER + MARGIN POSITION)
- I had to pay 0,16% fee in ETH to close the position
- I got 0,10€ profit from closing the position
NET (when converting everything to EUR to keep it simple): I lost 0,92€ behind this trade as the total fee was 0,44%

Key learning is that margin trading is only relevant when your gap between your position and closing price bigger is than 0,44%.
In addition, always important to keep an eye on both your balance in EUR as in ETH (or other coins) to check the fees.