The good news is that today's average top-tier 30yr fixed rate ended only 0.01% higher than last week's high (7.61 vs 7.60). If you are only interested in good news, have a great rest of your Monday and you're free to go. The rest of the news isn't terrible, but we we can't classify it as "good." Bonds lost ground today and, as has been the case on many recent occasions, there weren't any new, obvious scapegoats.  On a vast majority of days when rates make a move, there's a decent enough case to be made for some underlying cause. These days however, it's increasingly common to have to fall back on generalities like the following (warning: the list can be esoteric in parts, for those who aren't bond nerds): Iran War's implied impact on inflation and Treasury issuance Elevated Treasury issuance (fiscal imbalances) Elevated corporate bond issuance (competes for investor demand) Resilient stocks (competes for investor demand) Generally/gradually lower foreign demand (partly driven by tariffs and weaker trade relationships) Genuine strength/resilience in economic data A Federal Reserve that is willing to use the Fed Funds Rate to fight inflation (not the perfect tool, but it's the tool they have) None of these bullet points received a big new dose of information today, though that doesn't mean investors can't react to them over time. In addition, the bond market may be somewhat anxious ahead of this week's scheduled Treasury auctions, but we'll cross that bridge if we come to it (it's been a while since a Treasury auction cycle had a legitimately big impact on rate momentum).