According to US ISM Purchasing Managers Index PMI, we still have some time before a market crash.
Are we in April 2007? See what happened at that time. The PMI looks very similar also.
If this is the case, we still have a couple of months of a bull market before a crash.
Also, pay attention to the SPX MACD. In 2000 and 2007, the MACD was already in a downward trend or had flattened considerably. Right now, SPX MACD is still rising like crazy. No flattening yet.