Originally Posted by KARFA

Have a look at the IB table in the sticky here https://www.flyertalk.com/forum/30593374-post3.html

For band 2 (651-1,150 miles) IB prices at 7,500 off-peak and 8,250 peak in Y.

DUS-MAD-SPC one way in Y should be Peak 8,250 + 8,250 = 16,500 or Off-peak 7,500 + 7,500 = 15,000. I have just checked on ba.com and it seems to be pricing correctly.