A poll asks people what they believe or prefer at one point in time. A prediction market lets people buy and sell shares based on what they believe will actually happen.

Poll Prediction market
Records survey answers Uses real-money trading decisions
Usually a snapshot Updates as trading and information change
May measure preference or intention Estimates the probability of an outcome

A market price is not automatically correct. It reflects the information, opinions, liquidity, and incentives of current participants.

Use prediction-market prices as a live signal, not as a guarantee of the final result.