FrankfurtEuro-area households expect 3.1% inflation, up from 3%.
The reading supports bets that the European Central Bank keeps raising borrowing costs.
The Iran war holds energy above $100 a barrel, and the bank raised rates in June and September to counter it.
Berenberg’s Holger Schmieding says the bank could hold back on hikes if a crisis in France hurts growth.
Economists expect it to hold at 2.5% on 29 October and hike a quarter-point in December.
Sources: Bloomberg Business, Reuters