Pierce County Terminal
Tacoma (USTIW) - Q1 2026 cohort.
Terminal stability
Stable stability -- production rank 14 for the Q1 2026 cohort. 2 carriers, 1 services, 31 voyages observed in the cohort window. Terminal cadence: Hybrid.
Rank shown is illustrative for this terminal in this cohort.
What the data shows
Cohort window: November 1, 2025 through April 1, 2026 (5-month inaugural baseline).
| Metric | Value |
|---|---|
| Events per schedule | 1.2 |
| Planning-horizon-correct rate | 52.6% |
| Late-stage rate | 21.1% |
| Median schedule shift magnitude | 72 hours (3.0 days) |
| Voyages observed | 31 |
| Voyages classified | 30 |
Where the volatility shows up
| Diagnostic | Level |
|---|---|
| ERD-driven volatility | moderate |
| CY Cut-driven volatility | moderate |
| CRW compression | moderate |
| Late-stage shifts within 72 hours | moderate |
| Late-stage shifts within 24 hours | high |
| Sustained-churn presence | low |
Levels reflect this terminal's position relative to the Q1 2026 cohort: low (bottom third), moderate (middle third), high (top third).
Dominant carriers (top 3)
Evergreen (EGLV), CMA CGM (CMDU)
Six-flag disclosure
| Disclosure | Value |
|---|---|
| Sample sufficiency | sufficient |
| Rank uncertain | Yes |
| Rank stability | 12.2% |
| Label stability | 55.1% |
| Event concentration flag | Yes |
| Zero-event voyages share | 51.6% |
| Display rank treatment | illustrative |
| Snapshot coverage gap | No |
The six-flag structure is the published per-terminal uncertainty disclosure. Together they answer: is the sample large enough to rank, is the rank stable across bootstrap iterations, does the tier label hold under resampling, are the events concentrated in too few voyages, and is the snapshot coverage adequate for the cohort window.
Methodology
This terminal's metrics derive from the Q1 2026 inaugural cohort.
For the full methodology, terminal rankings, and per-tier interpretation, see Terminal Volatility Index, Q1 2026.
Related publications
Reader's note
Pierce County Terminal (Tacoma) is a Stable-stability terminal at production rank 14 for the Q1 2026 cohort.
For the full quarterly index, methodology, and per-terminal narrative context, see the inaugural Terminal Volatility Index publication.
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