Google again. I found several that were free, but they required a download and/or registration. Sorry I am not providing a link, but I am not interested in 200-day moving averages and so I can't vouch for the sites. Probably fine, but use appropriate caution.
No one agrees with other people's opinions; they merely agree with their own opinions -- expressed by somebody else. Sydney Tremayne
Retired Jun 2011 at age 57
Target AA: 60% equity funds / 35% bond funds / 5% cash
Target WR: Approx 2.5% Approx 20% SI (secure income, SS only)