The bond market is very concerned about the conflict and inflation. If the conflict extends and oil prices continue to rise, it becomes something equity markets cannot ignore. It's a key transition. Nvidia earnings this week are important to continue the positive equity narrative. If this continues for another month, we get into dangerous territory.
The 4.5% nominal yield level is often pointed to as a threshold, but given strong US economics, that level is probably a bit higher. However, pressure on all parts of the curve means we're likely not too far off.