Prices must soften for energy (0.1 percent vs 1.1 percent in April) while those of unprocessed food (0.4 percent vs 0.2 percent) are seen rising slightly faster.
Annual core inflation rate, which excludes prices of energy and unprocessed food products is expected to drop to 0.6 percent in May 2019 from 0.8 percent in the previous month.
On a monthly basis, consumer prices are set to went up 0.1 percent, following a 0.6 percent rise in the prior month.
Harmonized consumer prices likely increased 0.4 percent year-on-year, below 0.9 percent in April and are seen rising 0.3 percent month-over-month after a 1.0 percent gain in April.