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Basic Question 0 of 11
Which of the following is a statement of weak-form efficiency?
B. If the markets are efficient in the weak form, then prices will adjust immediately to public information.
C. If the markets are efficient in the weak form, then prices reflect all information.
A. If markets are efficient in the weak form, then it is impossible to make consistently superior profits by using trading rules based on past returns.
B. If the markets are efficient in the weak form, then prices will adjust immediately to public information.
C. If the markets are efficient in the weak form, then prices reflect all information.
User Contributed Comments 3
| User | Comment |
|---|---|
| saltnvinegar | technical analysis is useless and no predictions can be based on past data. |
| Creep | Technical analysts assume the market is weak form, INEFFICIENT |
| khalifa92 | just inefficient |
I am happy to say that I passed! Your study notes certainly helped prepare me for what was the most difficult exam I had ever taken.

Andrea Schildbach
Learning Outcome Statements
describe aspects of "fintech" that are directly relevant for the gathering and analyzing of financial data
describe Big Data, artificial intelligence, and machine learning
CFA® 2026 Level I Curriculum, Volume 1, Module 11.