** Shares of Bankinter BKT.MC fall 4.4%, headed for worst day since April after third-quarter net interest income missed expectations
** The Spanish lender's NII, or earnings on loans minus deposit costs, fell 0.4% year-on-year in the quarter to 566 million euros, below analysts' expectations of 570 million euros
** Jefferies says the 1% miss vs consensus on NII is driven by loan volumes 2% below consensus; margin dynamics progressing as expected
** Renta 4 says Bankinter's results came sightly below the broker's expectations in revenue, with gross margin 2% below, and net profit 1% below, due to lower provisions
** Broker says it will closely monitor Bankinter's conference call for net interest margin guidance, which could be revised downwards after declining about 4% year-on-year in 9M25 vs. flat or slightly positive growth expected for 2025
** Shares bottom of Spain's IBEX35 .IBEX index, on track for worst day since June
** Stock up 66.95% YTD, including day's drop
(Reporting by Joao Manuel Mauricio)