One data point is one trading day. The yearly_standard_deviation = sqrt(252) * daily_standard_deviation, where 252 is the number of trading days in a year. fund=aab data points=1452 daily standard deviation=0.017860 yearly_standard_deviation=0.283514 fund=agn data points=1304 daily standard deviation=0.030787 yearly_standard_deviation=0.488727 fund=ah data points=1451 daily standard deviation=0.016752 yearly_standard_deviation=0.265937 fund=akz data points=838 daily standard deviation=0.018577 yearly_standard_deviation=0.294895 fund=csm data points=1175 daily standard deviation=0.012833 yearly_standard_deviation=0.203719 fund=dsm data points=1305 daily standard deviation=0.016147 yearly_standard_deviation=0.256329 fund=els data points=1303 daily standard deviation=0.017538 yearly_standard_deviation=0.278408 fund=gtn data points=1445 daily standard deviation=0.019915 yearly_standard_deviation=0.316141 fund=hei data points=1302 daily standard deviation=0.018230 yearly_standard_deviation=0.289399 fund=ho data points=1416 daily standard deviation=0.021611 yearly_standard_deviation=0.343068 fund=hdg data points=1169 daily standard deviation=0.021705 yearly_standard_deviation=0.344551 fund=ing data points=1375 daily standard deviation=0.018847 yearly_standard_deviation=0.299194 fund=klm data points=1448 daily standard deviation=0.021446 yearly_standard_deviation=0.340440 fund=rd data points=1414 daily standard deviation=0.014550 yearly_standard_deviation=0.230977 fund=kpn data points=1277 daily standard deviation=0.023405 yearly_standard_deviation=0.371539 fund=ndl data points=1300 daily standard deviation=0.028257 yearly_standard_deviation=0.448560 fund=oce data points=1301 daily standard deviation=0.019782 yearly_standard_deviation=0.314031 fund=pak data points=1407 daily standard deviation=0.018028 yearly_standard_deviation=0.286193 fund=phi data points=1277 daily standard deviation=0.025003 yearly_standard_deviation=0.396904 fund=sto data points=1301 daily standard deviation=0.017018 yearly_standard_deviation=0.270150 fund=un data points=1445 daily standard deviation=0.014797 yearly_standard_deviation=0.234897 fund=vo data points=1300 daily standard deviation=0.015985 yearly_standard_deviation=0.253753 fund=vdx data points=1030 daily standard deviation=0.023429 yearly_standard_deviation=0.371919 fund=vnu data points=1299 daily standard deviation=0.020193 yearly_standard_deviation=0.320554 fund=wkl data points=1299 daily standard deviation=0.015817 yearly_standard_deviation=0.251090 fund=cap data points=1290 daily standard deviation=0.022906 yearly_standard_deviation=0.363629 fund=aex data points=1417 daily standard deviation=0.012162 yearly_standard_deviation=0.193069 fund=im data points=1437 daily standard deviation=0.030504 yearly_standard_deviation=0.484236 fund=asr data points=1291 daily standard deviation=0.016376 yearly_standard_deviation=0.259967 fund=ltel data points=23 daily standard deviation=0.020993 yearly_standard_deviation=0.333259