Divergence between 10 yr TB and 30 yr fixed mortgage

They're supposed to move in sync, as I understand it. Yet the 10 yr is now at 3.30, down almost 20% over the past month. Yet the average rate for a 30 yr fixed rate mortgage has barely moved. Is there just a lag for the mortgage rate to adjust? Or are lenders pricing in additional risk? Or something else?

4 Comments
 

Looking at the past month, 10Y Treasuries have dropped 54 basis points.

30 year mortgage rates have dropped 40 basis points.

They aren’t ever going to move the same amount- but at least for the past month they seem to be following the same pattern as they normally would.

 

Mortgages are indexed to treasuries, which is part of why they move in step. However, lenders add a spread on top to make money and will price high volatility into that spread. They want to limit a situation where a loan made today loses value next month because rates have gone up (ie SVB held to maturity securities). 
 

Essentially lenders are protecting themselves from volatile swings in interest rates. 

 

Quos officiis labore est ullam tempora. Aliquam veritatis dolorem sed quod vero similique. Unde ut nihil voluptas cum aliquam dolorem et impedit. Cupiditate quae est totam culpa aliquam quibusdam.

Career Advancement Opportunities

June 2026 Investment Banking

  • Evercore 01 99.4%
  • Moelis & Company 01 98.8%
  • JPMorgan 01 98.3%
  • Guggenheim Partners 01 97.7%
  • Morgan Stanley 07 97.1%

Overall Employee Satisfaction

June 2026 Investment Banking

  • Moelis & Company No 99.4%
  • Morgan Stanley 02 98.8%
  • Evercore 01 98.3%
  • BMO Capital Markets 12 97.7%
  • Banco Santander 01 97.1%

Professional Growth Opportunities

June 2026 Investment Banking

  • Evercore 01 99.4%
  • Moelis & Company 01 98.8%
  • Morgan Stanley 05 98.3%
  • JPMorgan No 97.7%
  • BMO Capital Markets 12 97.1%

Total Avg Compensation

June 2026 Investment Banking

  • Vice President (14) $434
  • Associates (44) $258
  • 3rd+ Year Analyst (8) $210
  • 2nd Year Analyst (22) $179
  • Intern/Summer Associate (13) $156
  • 1st Year Analyst (78) $151
  • Intern/Summer Analyst (73) $101
notes
16 IB Interviews Notes

“... there’s no excuse to not take advantage of the resources out there available to you. Best value for your $ are the...”

Leaderboard

1
redever's picture
redever
99.2
2
BankonBanking's picture
BankonBanking
99.0
3
kanon's picture
kanon
99.0
4
Secyh62's picture
Secyh62
99.0
5
DrApeman's picture
DrApeman
98.9
6
GameTheory's picture
GameTheory
98.9
7
CompBanker's picture
CompBanker
98.9
8
Betsy Massar's picture
Betsy Massar
98.9
9
dosk17's picture
dosk17
98.9
10
Linda Abraham's picture
Linda Abraham
98.8
success
From 10 rejections to 1 dream investment banking internship

“... I believe it was the single biggest reason why I ended up with an offer...”