Here is a comparison of my model and the actual.
One thing that makes it difficult to forecast Tesla is the sudden reversal of trends. In Q3 it was the margin that suddenly got better and reversed the trend of margins getting lower.
This time we have
- Sudden increase in SGA by $100M. Partly because of $65M in stock comp. Most of the gaap profit difference can be attributed to this.
- Model S&X ASP increased $10k to 102k. This resulted in better margin of 19.9% vs 19.2% (auto non-lease ex-credits).
- Service margin continued to get better from -21% to -16%.
- Energy margin went back to 12% after a good 25% last quarter.
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