I've seen it happen enough times on charts of stocks, forex, and commodities... but remember nothing is a sure thing. You just want the trades where the odds are in your favor. If housing prices ran up from 2016 to 2020 and for whatever reason you now have a chance to pay 2016 prices... Would it be a good buy?
All we have to model is historical data. Even high speed algo bots are using historical data. DE Shaw models historical data. That's why it's important. Nobody knows the future. But we can model historical data in order to take the statistically most advantageous risk/reward.
%% That really depends eug; in RE,its location, location, location, so NO, most likely. Having bought RE for > 2o year$, any exception tends to prove that rule. More likely with a fixer Upper...................................................................................