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Net Financial Operating Income
 12 Months Ended
Dec. 31, 2019
Net Financial Operating Income [abstract]  
Net Financial Operating Income
31.Net Financial Operating Income:

 

The gain (losses) from trading and brokerage activities for the years ended December 31, 2017, 2018 and 2019 is detailed as follows:

 

   2017   2018   2019 
   MCh$   MCh$   MCh$ 
Net income on financial assets held-for-trading   46,207    42,605    44,274 
Gain (loss) from mark to market   4,435    8,038    32,128 
Financial assets held-for-trading   50,642    50,643    76,402 
Sale of financial assets at fair value through other comprehensive income   6,514    1,118    4,789 
Sale of loan portfolio   2,063    267    — 
Net (loss) gain of other transactions   233    384    (145)
Derivative instruments   (89,113)   64,730    32,391 
Total   (29,661)   117,142    113,437