1. Average household debt is back to pre recession (2008) levels.
2. The Vix (fear index) is close to 2 1/2 year lows.
3. Housing prices are pre 2008 levels.
4. Stock index P/E ratios are in historic correction territories.
5. Largest presidential stock rally since JFK.
Warren Buffet has said in various ways... "when investors are greedy, I get nervous. When investors are nervous, I get greedy".
By most accounts investors are comfortable and even greedy. Who knows when a correction will hit but it's inevitable it will happen. The hard part is knowing when. Nobody can time the market.