The weak form of the EMH states that ________ must be reflected in the current stock price.

A) all past information, including security price and volume data
B) all publicly available information
C) all information, including inside information
D) all costless information

Weak Form

In finance, a theory suggesting that asset prices fully reflect all information contained in past trading data, meaning past prices and volumes cannot predict future prices.

Security Price

The security price is the current market value at which a particular security (like stocks, bonds) can be bought or sold in the financial markets.