When Citigroup (C) jumped up 2% on April 14, Karen Finerman reported on "Fast Money" that the stock's move was a "fake winner" caused by a "gigantic short squeeze."

A short squeeze occurs when short-sellers quickly buy in shares of the stock in order to cover their bearish positions, driving the price of stocks up sharply. The ratio for measuring short-squeeze opportunities is the short ratio, which is the number of days it would take the short sellers to cover their position based on recent average daily volume.

Stockpickr compiled a portfolio of the top Nasdaq short-squeeze plays, all of which have market caps of more than $250 million.

To read more, visit Stockpickr.com.

Stockpickr is a wholly owned subsidiary of TheStreet.com.

More from Investing

Dow Futures Tank as Trade War Fears Grip Wall Street

Dow Futures Tank as Trade War Fears Grip Wall Street

Why GE's Stock Has Fallen 9% in the Last 30 Days

Why GE's Stock Has Fallen 9% in the Last 30 Days

Billionaire Investor Tim Draper Explains Why Bitcoin Will Hit $250,000 in 2022

Billionaire Investor Tim Draper Explains Why Bitcoin Will Hit $250,000 in 2022

Worries About a Trade War Could Throw Wrench Into the Tech Stock Rally

Worries About a Trade War Could Throw Wrench Into the Tech Stock Rally

5 Stock Picks Under $10 for Millennials

5 Stock Picks Under $10 for Millennials