Tesla's Oct. 21 earnings have a history of 8%+ post-report swings
Question
Tesla's Oct. 21 earnings have a history of 8%+ post-report swings
Direct answer
A documented post-earnings swing profile can lift implied volatility and spill into supplier names tied to Optimus production.
- Original publisher
- Market Ontology
- Evidence through
- 2026-10-18
- Published
- 2026-10-20
- Revision
- 1 · 2026-10-20
Cite as: Market Ontology, “Tesla's Oct. 21 earnings have a history of 8%+ post-report swings”, revision 1, evidence through 2026-10-18. https://marketontology.com/market-events/2026-10-18/tesla-s-oct-21-earnings-have-a-history-of-8-post-report-swings-4a0a85
How this development reaches the affected companies
| Asset | Exposure and channel | Direction | Evidence |
|---|---|---|---|
| TSLA | earnings-date volatility and options repricing around Oct. 21 report | Watch1-5d | The source says Tesla will report on Oct. 21 and has moved 8% or more after 10 of its last 15 quarterly reports. |
| TSM | Optimus-related component demand passes through semiconductor supplier revenue timing | Mixed1-4w | The source says TSMC is one of three suppliers that get paid before Tesla does. |
| MU | Optimus-related memory and components demand can support supplier revenue timing | Mixed1-4w | The source says Micron is one of three suppliers that get paid before Tesla does. |
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What happened next
| Asset | Call | Base close | +1 day | +5 days | +20 days |
|---|---|---|---|---|---|
| MU | Mixed | 953.19 2026-10-13 | Pending | Pending | Pending |
| TSM | Mixed | 412.61 2026-10-16 | Pending | Pending | Pending |
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