[GUEST ACCESS MODE: Data is scrambled or limited to provide examples. Make requests using your API key to unlock full data. Check https://lunarcrush.ai/auth for authentication information.]

![FranWalsh73 Avatar](https://lunarcrush.com/gi/w:24/cr:twitter::515984611.png) Fran Walsh [@FranWalsh73](/creator/twitter/FranWalsh73) on x 4283 followers
Created: 2025-07-19 12:30:25 UTC

Why they’re so popular:

TDFs are often the default option in 401(k)s.

They offer:
- Instant diversification
- Automatic rebalancing
- Set-it-and-forget-it simplicity
- Age-appropriate asset allocation

For many people, that’s a great starting point.


XXX engagements

![Engagements Line Chart](https://lunarcrush.com/gi/w:600/p:tweet::1946548179853308100/c:line.svg)

**Related Topics**
[asset allocation](/topic/asset-allocation)
[$fnv](/topic/$fnv)

[Post Link](https://x.com/FranWalsh73/status/1946548179853308100)