Data • Snapshot • Auditable

Ports reference layer

id: ports_referenceslug: ports_referencedomain: portwatchsource: IMF PortWatch (build-time snapshot)mode: portwatch_overview

PortWatch chokepoint overview

Reference chokepoints

full reference layer

Daily monitored

current: 6 • stale: 0

Latest global snapshot

2026-03-15

reference only: 5

Top volume chokepoint

Strait of Hormuz

estimated tons: 9,246,644

The reference layer and the daily monitoring layer are not the same thing. Some chokepoints are shown as reference-only entries, while others have current or older daily observations.

Global chokepoint map

Color encodes current coverage and volume regime. Marker size reflects latest estimated trade volume where available.

Rendered points: 11

Latest snapshot: 2026-03-15

Green: expandingRed: contractingBlue: stableAmber: staleGray: reference only

Bab el-Mandeb

Current daily coverage • Primary • 2023 volume share: 8.6

volume rank: 4

calls rank: 5

This chokepoint has daily coverage on the latest global snapshot date.

Latest volume (tons)

1,086,215

7d avg: 1,052,545.86

Latest transit calls

7d avg: 27.71

Volume vs 30d

-10.3%

30d avg: 1,211,239.57

Calls vs 30d

-39.5%

30d avg: 33.07

volume regime: contracting • calls regime: contracting • tons per call: 54,310.75 • 30d delta: 48.3%

latest date: 2026-03-15

Danish Straits

Current daily coverage • Primary • 2023 volume share: 4.9

volume rank: 2

calls rank: 2

This chokepoint has daily coverage on the latest global snapshot date.

Latest volume (tons)

5,313,997

7d avg: 5,021,107.71

Latest transit calls

7d avg: 90

Volume vs 30d

3.8%

30d avg: 5,117,954.13

Calls vs 30d

-2.0%

30d avg: 89.77

volume regime: stable • calls regime: stable • tons per call: 60,386.33 • 30d delta: 5.9%

latest date: 2026-03-15

Panama Canal

Current daily coverage • Primary • 2023 volume share: 2.1

volume rank: 5

calls rank: 4

This chokepoint has daily coverage on the latest global snapshot date.

Latest volume (tons)

930,950

7d avg: 972,872.57

Latest transit calls

7d avg: 31.43

Volume vs 30d

-6.8%

30d avg: 999,436.5

Calls vs 30d

2.3%

30d avg: 32.27

volume regime: contracting • calls regime: stable • tons per call: 28,210.61 • 30d delta: -8.9%

latest date: 2026-03-15

Strait of Hormuz

Current daily coverage • Primary • 2023 volume share: 20.9

volume rank: 1

calls rank: 1

This chokepoint has daily coverage on the latest global snapshot date.

Latest volume (tons)

9,246,644

7d avg: 7,508,955.14

Latest transit calls

218

7d avg: 217.29

Volume vs 30d

7.9%

30d avg: 8,569,131.33

Calls vs 30d

-3.6%

30d avg: 226.27

volume regime: expanding • calls regime: stable • tons per call: 42,415.8 • 30d delta: 12.0%

latest date: 2026-03-15

Suez Canal

Current daily coverage • Primary • 2023 volume share: 8.8

volume rank: 3

calls rank: 3

This chokepoint has daily coverage on the latest global snapshot date.

Latest volume (tons)

1,620,709

7d avg: 1,212,531.86

Latest transit calls

7d avg: 37.86

Volume vs 30d

19.3%

30d avg: 1,358,152.1

Calls vs 30d

20.8%

30d avg: 38.9

volume regime: expanding • calls regime: expanding • tons per call: 34,483.17 • 30d delta: -1.2%

latest date: 2026-03-15

Turkish Straits

Current daily coverage • Primary • 2023 volume share: 3.4

volume rank: 6

calls rank: 6

This chokepoint has daily coverage on the latest global snapshot date.

Latest volume (tons)

356,294

7d avg: 128,308.14

Latest transit calls

7d avg: 5.86

Volume vs 30d

-82.5%

30d avg: 2,036,201.3

Calls vs 30d

-83.1%

30d avg: 53.23

volume regime: contracting • calls regime: contracting • tons per call: 39,588.22 • 30d delta: 3.5%

latest date: 2026-03-15

Bering Sea

Reference only • Secondary • 2023 volume share: —

volume rank: —

calls rank: —

No daily series is attached to this chokepoint in the current monitoring set.

Latest volume (tons)

—

7d avg: —

Latest transit calls

—

7d avg: —

Volume vs 30d

0.0%

30d avg: —

Calls vs 30d

0.0%

30d avg: —

volume regime: stable • calls regime: stable • tons per call: — • 30d delta: 0.0%

latest date: —

Cape of Good Hope

Reference only • Primary • 2023 volume share: 6

volume rank: —

calls rank: —

No daily series is attached to this chokepoint in the current monitoring set.

Latest volume (tons)

—

7d avg: —

Latest transit calls

—

7d avg: —

Volume vs 30d

0.0%

30d avg: —

Calls vs 30d

0.0%

30d avg: —

volume regime: stable • calls regime: stable • tons per call: — • 30d delta: 0.0%

latest date: —

Spratly Islands

Reference only • Secondary • 2023 volume share: —

volume rank: —

calls rank: —

No daily series is attached to this chokepoint in the current monitoring set.

Latest volume (tons)

—

7d avg: —

Latest transit calls

—

7d avg: —

Volume vs 30d

0.0%

30d avg: —

Calls vs 30d

0.0%

30d avg: —

volume regime: stable • calls regime: stable • tons per call: — • 30d delta: 0.0%

latest date: —

Strait of Gibraltar

Reference only • Secondary • 2023 volume share: —

volume rank: —

calls rank: —

No daily series is attached to this chokepoint in the current monitoring set.

Latest volume (tons)

—

7d avg: —

Latest transit calls

—

7d avg: —

Volume vs 30d

0.0%

30d avg: —

Calls vs 30d

0.0%

30d avg: —

volume regime: stable • calls regime: stable • tons per call: — • 30d delta: 0.0%

latest date: —

Strait of Malacca

Reference only • Primary • 2023 volume share: 23.7

volume rank: —

calls rank: —

No daily series is attached to this chokepoint in the current monitoring set.

Latest volume (tons)

—

7d avg: —

Latest transit calls

—

7d avg: —

Volume vs 30d

0.0%

30d avg: —

Calls vs 30d

0.0%

30d avg: —

volume regime: stable • calls regime: stable • tons per call: — • 30d delta: 0.0%

latest date: —

Audit preview

First 11 chokepoint rows from the transformed overview.

chokepoint_name	coverage_status	significance	latest_date	latest_trade_volume_tons	avg_7d_trade_volume_tons	latest_transit_calls	avg_7d_transit_calls	rank_latest_trade_volume_tons
Bab el-Mandeb	current	Primary	2026-03-15	1,086,215	1,052,545.86	20	27.71	4
Danish Straits	current	Primary	2026-03-15	5,313,997	5,021,107.71	88	90	2
Panama Canal	current	Primary	2026-03-15	930,950	972,872.57	33	31.43	5
Strait of Hormuz	current	Primary	2026-03-15	9,246,644	7,508,955.14	218	217.29	1
Suez Canal	current	Primary	2026-03-15	1,620,709	1,212,531.86	47	37.86	3
Turkish Straits	current	Primary	2026-03-15	356,294	128,308.14	9	5.86	6
Bering Sea	reference_only	Secondary	—	—	—	—	—	—
Cape of Good Hope	reference_only	Primary	—	—	—	—	—	—
Spratly Islands	reference_only	Secondary	—	—	—	—	—	—
Strait of Gibraltar	reference_only	Secondary	—	—	—	—	—	—
Strait of Malacca	reference_only	Primary	—	—	—	—	—	—

Rows: 11 • transformed overview from PortWatch domain loader