Asset class5-mo.
return
ETF
symbol
PriceBid-ask
spread
Buy
US small-cap stocks
+13.76 
VIOO
158.18
0.03%
34%
US real-estate investment trusts
+11.06 
VNQ
81.08
0.01%
33%
US large-cap stocks
+4.23 
VONE
128.83
0.01%
33%
US Treasury bonds, 20+ yr.
+3.09 
VGLT
74.21
0.01%
Commodities
+1.49 
PDBC
17.69
0.06%
US Treasury bills, 1 to 12 mo.
+0.68 
SHV
110.38
0.01%
Developed-market large-cap stocks
-1.80 
VEA
43.41
0.02%
Gold
-7.52 
IAU
11.81
0.08%
Emerging-market stocks
-9.61 
VWO
42.91
0.02%
Numbers calculated on July 20, 2018, at 5:00 pm NYC time (market closing prices). Spreads calculated just before market close.