Ways that measure how risky the overall stock market is right now: https://www.zerohedge.com/markets/how-far-can-stock-market-run
Truly boggles the mind how must whistling past the graveyard of never ending gov't debt/QE/buyback bubbles/euro-zone recession/trillions in negative yield/escalating war and tension in the middle east etc. etc. etc. there is.