[dtech]

That is Chinese New Year, it has always a very large drop. It's very impactful but expected and yearly.

My companies reporting needs to correct for it since the date shifts on western calendar and if would mess up all reporting otherwise, so yes, this is extremely significant.

[cle]

Thank you for the details. I've no doubt that tariffs are having impacts. Was looking at that specific data and finding it hard to conclude with just that data. Does CNY also explain the Week 16->17 drop in 2024?

[smingo]

Chinese New Year falls between 21 January and 20 February. This would be somewhere between week 3 and week 8.

Some ISO 8601 week numbers for CNY:

2022 CNY fell on Feb 1 , which is Week 5

2023 CNY fell on Jan 22, which is Week 3

2024 CNY fell on Feb 10, which is Week 6

2025 CNY fell on Jan 29, which is Week 5