Invented in the mid-1990s by a blind mathematician named James Miekka, the Hindenburg Omen is an indicator of a market crash.

FORBES: What's This About a Hindenburg Omen?

The Hindenburg Omen, which takes into account a bunch of market triggers, may not mean much in the broader scheme.

FORBES: Mixed Signals And The Hindenburg Omen

The Hindenburg Omen may not be the holy grail the bears might like, but it still has plenty of street cred as a wake-up call.

FORBES: Another Hindenburg Omen? Not Again!

The Hindenburg Omen, named after the airship that exploded as it was docking in New Jersey in 1937, has preceded every crash since 1987, but it has also popped up plenty of times without any subsequent market decline.

FORBES: Hindenburg Omen Inventor Exits From Stocks

But what about the Hindenburg Omen?

FORBES: What's This About a Hindenburg Omen?