U.S. 30-year Treasury yields have climbed to approximately 4.9% as investors price in rising inflation expectations and a higher term premium. This level is within striking distance of the 5% mark that institutional accounts monitor as a signal for increased risk aversion. Both breakeven inflation rates and real yields have contributed to the surge, as rising energy costs fuel inflation expectations while investors demand more compensation for locking up capital. The simultaneous increase in both components underscores broad-based selling pressure rather than a purely inflation-driven move. Since late 2022, yields have formed a pennant chart pattern characterized by converging sideways trading ranges following a strong uptrend. Technical analysis suggests the pattern may resolve in the direction of the prior move, indicating a potential breakout above 5% yields. A decisive break through the 5% threshold could drive further declines in long-duration bond prices, putting pressure on ETFs like TLT. Historical instances of yields above 5% have triggered short-term equity pullbacks, highlighting the interconnected risks across bond and stock markets.