What is Alonso’s future, F1 or IndyCar? (Update)

UPDATE Alonso moving to IndyCar full-time in 2018 is fake news. This rumor is downgraded to 'false'. As one F1 team owner put it to AR1.com, "It will be a cold day in hell before Fernando runs full-time in IndyCar instead of F1."

07/30/17 Two-time F1 world champion Fernando Alonso has struggled to match his career heights due to poor luck. Could Alonso consider a move to IndyCar after the season?