### Comment:
That's kinda what I'm trying to find out... There's so little information out there. But so far, it looks like it's just the borrow rate.

### REPLY:
Looks like yeah that's how it works.  
  
 'Apart from the stock loan fee, the trader has to pay interest on the margin or cash borrowed for use as collateral against the borrowed stock and is also obligated to make dividend payments made by the shorted stock.' 
  
 https://www.investopedia.com/terms/s/stock-loan-fee.asp 
  
 May depend on brokerage, or...

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