What caused the drop in STLA's EPS in Q1 2019?

The decline in Stellantis NV's (STLA) EPS from $0.8 in Q1 2018 to $0.44 in Q1 2019 can be attributed to several key factors:

1. **Net Income Decrease**: Although the net income for Q1 2019 was $695.01 million, a significant drop from the previous year's net income, it is important to note that this decrease could disproportionately affect the EPS if the total revenue also declined.

|code|Ticker|Name|Date|Net Income YoY|Net Income|market_code|
|---|---|---|---|---|---|---|
|STLA|STLA.N|Stellantis|2018 Q3|-39.024077590064216|6.554808E8|169|
|STLA|STLA.N|Stellantis|2018 Q4|53.249391041796514|1.4812608E9|169|
|STLA|STLA.N|Stellantis|2019 Q1|-44.7469058854955|6.950132E8|169|

2. **Revenue Decline**: The total revenue for Q1 2019 was $27.49 billion, which might not have been sufficient to support the operational expenses and maintain the previous EPS level. A decline in revenue can lead to a lower EPS as the profit margin is reduced.

3. **Market Conditions and Competitive Pressure**: The automobile industry is highly competitive, and Stellantis faces competition from other major players such as Honda, Toyota, and Ford. Market dynamics, including shifts in consumer preferences, market saturation, and competitive pricing strategies, can impact an automaker's financial performance and EPS.

In conclusion, the drop in STLA's EPS in Q1 2019 is likely a result of a combination of factors including a decrease in net income and revenue.