FOURTH HILL DIGITAL // DYADIC PAIR: JPN <---> USA

[DYAD ID: JPN-USA] [365D BASELINE AFFINITY: -3.22] [30D TRAJECTORY: ▼ -0.23% (Diverging)] [TIMESTAMP: 2026-08-21T20:15:02.9232205Z]

[01] MACRO BILATERAL INDICATORS

365-DAY BASELINE AFFINITY SCORE
-3.22
GDELT GKG Bilateral Moving Average
30-DAY TRAJECTORY SHIFT
▼ -0.23% (Diverging)
30d Delta vs 365d Baseline
UNGA VOTING COHESION
88.0%
Source: UN General Assembly Voting Dataverse
MEDIA SENTIMENT ASYMMETRY
-1.25
Coverage Gap: JPN Press vs USA Press

[02] INTERACTIVE DUAL-NODE CORRIDOR MAP

[03] OVERALL AFFINITY SCORE DATA BREAKDOWN

The Overall Bilateral Affinity Score (-3.22) is a composite non-linear index calculated across 3 primary data vectors:

[DATA POINT 1] GDELT NEWS TONE & MEDIA SENTIMENT (40% WEIGHT)

  • 365-Day Baseline News Tone: [=====.......] -1.70
  • Recent 30-Day News Tone: [=====.......] -1.92
  • 30-Day Trajectory Shift: ▼ -0.23% (Diverging)
  • 365-Day Monitored Dispatches: 14 indexed events
  • Media Sentiment Asymmetry: -1.25 (JPN Press vs USA Press)

High-frequency sentiment telemetry derived from GDELT Global Knowledge Graph v2.0 news monitoring. Evaluates real-time event reporting tone, public media sentiment, and short-term 30-day directional momentum relative to the 365-day moving average baseline.

[DATA POINT 2] UNGA VOTING CORRELATION (35% WEIGHT)

  • UNGA Roll-Call Cohesion: 88.0%
  • Diplomatic Alignment Rating: High Strategic Alignment Vector
  • Data Source: UN General Assembly Voting Dataverse

Structural geopolitical alignment metric based on official roll-call voting correlation matrices in the UN General Assembly. Reflects long-term sovereign voting cohesion, treaty alignment, and multilateral policy consensus between the two states.

[DATA POINT 3] UN COMTRADE BILATERAL TRADE FLOW (25% WEIGHT)

  • Annual Bilateral Trade Volume: $225.00 B USD
  • Economic Interaction Weight: 17.22
  • Data Source: UN Comtrade & World Bank Open Data

Bilateral commercial integration and supply chain linkage derived from UN Comtrade HS commodity flow data. High trade volume establishes structural economic interdependence, providing stabilizing resistance against temporary media sentiment volatility.

[04] CAMEO EVENT DISTRIBUTION & TONE BREAKDOWN

Top Indexed CAMEO Categories (365d Window)

  • No distinct CAMEO clusters detected above threshold.

365-Day Baseline vs 30-Day Tone Comparison

365d Baseline Tone: [======.........] -1.70
Recent 30d Tone: [======.........] -1.92

[05] VERIFIED GDELT DISPATCHES & SOURCE ATTRIBUTION

Top significant dispatches driving the relationship score over the last 30 days:

No verified single-dispatch anomalies recorded in baseline window.

[06] BILATERAL TRADE & COMMODITY SUMMARY (JPN <---> USA)

Direct 1-to-1 bilateral commercial exchange, export/import volumes, and trade balance specifically between JPN and USA:

BILATERAL EXCHANGE VOLUME
$225.00 B USD
UN Comtrade Direct Trade Flow (JPN <-> USA)
JPN EXPORTS TO USA
$119.25 B USD
USA Imports from JPN (16.6% of JPN Exports)
USA EXPORTS TO JPN
$105.75 B USD
JPN Imports from USA (3.5% of USA Exports)
BILATERAL NET TRADE BALANCE
$13.50 B USD
Net Bilateral Surplus in favor of JPN

What JPN Exports to USA (USA Imports)

  • [EXPORTS TO USA] Automobiles & Transport Equipment
  • [EXPORTS TO USA] Integrated Semiconductor Chips
  • [EXPORTS TO USA] Precision Industrial Machinery
  • [EXPORTS TO USA] Iron & Steel Mill Products
  • [EXPORTS TO USA] Optical & Medical Instruments

What USA Exports to JPN (JPN Imports)

  • [EXPORTS TO JPN] Refined Petroleum & Crude
  • [EXPORTS TO JPN] Aerospace & Commercial Aircraft
  • [EXPORTS TO JPN] Integrated Circuits & Chips
  • [EXPORTS TO JPN] Automobiles & Motor Vehicles
  • [EXPORTS TO JPN] Soybeans & Agricultural Commodities
Data Provenance: UN Comtrade HS Commodity Matrix / World Bank Bilateral Data