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The US Trade Ledger — every US container gateway, every partner country, every month — verified against real ship movements.

← the board · Engagement 07

“When did the great port queue of 2021 actually begin?”

asked by Mrigank Singh · re-verified 2026-08-07

The number it created

October 2020 — a year before the headlines. Anchorage hours at LA–Long Beach doubled that month (5,183 → 11,762) and climbed every month after: 15,338 → 18,826 → 23,170 by January 2021.

23k 12k 2020-06: 5.5k hours2020-07: 7.2k hours2020-08: 6.6k hours2020-09: 5.2k hours2020-10: 12k hours2020-11: 15k hours2020-12: 19k hours2021-01: 23k hours2021-02: 20k hours 20k 2020-062020-102021-02
Anchorage hours per month at LA–Long Beach, Jun 2020 – Feb 2021. The queue forms in October.

What it does not say

It does not say anyone could have priced it then — it says the physics was visible months before the story broke. · the full record

Run it yourself

With the ledger connected to your own AI, paste:

Using the Trimtab event_studies tool, when did congestion physically begin at LA/Long Beach, and how was it measured?

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“When did the great port queue of 2021 actually begin?”
October 2020 — a year before the headlines. Anchorage hours at LA–Long Beach doubled that month (5,183 → 11,762) and climbed every month after: 15,338 → 18,826 → 23,170 by January 2021.
It does not say anyone could have priced it then — it says the physics was visible months before the story broke.
I asked the Trimtab US Trade Ledger — open, no key, no account. Ask it something we haven’t: https://trimtabist.com/asked/when-the-queue-began
(via Mrigank Singh — engagement 07 on the board) #Trimtabist
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