Executive Summary
SGD/JPY trades at 123.60, sitting at the 91st percentile of its 52-week range after a remarkable 9.3% rally over the past year. The pair has appreciated approximately 15% from its April 2025 low of 107.08, driven by the extraordinary collision of MAS's managed appreciation regime with the BoJ's grudging normalisation cycle — and now overlaid with Operation Epic Fury's asymmetric energy shock that punishes Japan's ~90% import dependency far more than Singapore's structurally insulated economy. The dominant bilateral narrative is that both currencies suffer from the war's energy shock, but the magnitude of pain is starkly different: Singapore's ~19% of GDP current account surplus provides a massive buffer that Japan's trade position lacks, while the MAS S$NEER regime mechanically converts imported inflation into currency appreciation whereas the BoJ's rate hikes are too slow to offset the terms-of-trade devastation. The SGD dossier carries a Bullish tactical stance (conviction 3/5, confidence 65%) and the JPY dossier also carries a Bullish JPY tactical stance (conviction 3/5, confidence 62%), meaning both dossiers independently favour their respective currencies — but the bilateral interaction strongly favours the SGD leg because Singapore's structural advantages (AAA sovereign, record fiscal surplus, AI semiconductor cycle) dominate Japan's vulnerabilities (236% debt/GDP, energy dependency, fiscal expansion). Our headline stance is modestly Bullish SGD/JPY tactically at conviction 2 and Bullish SGD/JPY strategically at conviction 3, reflecting a pair where the rate differential is narrow but widening in SGD's favour and the terms-of-trade divergence provides a powerful bilateral tailwind.