Intermediate Muni ETFs differentiate by duration between 4 and 7 years (corresponding to maturities from 5 to 12 years), by higher credit quality and by opportunistic trades
Access details to each ETF provider (click the ticker to open Asset Infos and the link)
To take a closer look, momentum signals trends of the last 5 days against a 20-day average
For comparison, select various time frames in the top right menu box, from 2 weeks to a full year (performance of some very recently listed ETFs may not be significant for lack of price data)
Has been set aside as a special case of intermediate maturity classification, with much higher performance and volatility than average :
X-Square Municipal Income Tax-Free ETF

