ETFs in the morning? Traders take warning

March 07, 2021

Jim Rowley

Head of Investor Research Vanguard Investment Strategy Group

Only half true

¹ James J. Rowley Jr., Haifeng Wang, and Eric L. White II. “Examining Intraday Fixed Income ETF Liquidity: Is it more expensive near the open?” The Journal of Index Investing 11, no. 3 (Winter 2020): 21–33.© [2020] Pageant Media. Republished with permission of PMR (Portfolio Management Research) Journal of Index Investing. All rights reserved.  

² James J. Rowley Jr., Charles J. Thomas, and Ryan E. O'Hanlon. “Examining Intraday ETF Liquidity: When Should Investors Trade?” The Journal of Index Investing 9, no. 4 (Spring 2019): 6–17. 

Data to the millisecond
Average bid-ask spreads during the day for U.S. fixed income ETFs (First quarter 2020, in basis points)
Fixed income spreads across various categories
Fixed Income Spreads
Tips to improve trading value
Vanguard Insights

Subscribe to Portfolio considerations.

Get timely analysis on the market, delivered straight to your inbox, as soon as we publish them.

Read our privacy policy to learn about how we keep personal information private.

Vanguard Insights

Thank you for subscribing to Portfolio considerations.

You'll be notified when new content is published, but will only ever receive one email a day from Vanguard Insights.

Vanguard logo

Vanguard is the trusted name in investing. Since our founding in 1975, we've put investors first.