Given the demand and forecast values shown in the table below, 
the forecast error for September is
Definitions:
Beliefs
The conviction or acceptance that something exists or is true, especially without proof, often informing decision-making processes in various contexts, including investing.
Stock's Future Performance
Projections or estimates about how a stock will perform in the future based on various indicators and analysis.
Put/Call Ratio
A technical indicator that shows the trading volume of put options compared to call options, often used to gauge market sentiment.
Bullish Signal
An indication in the stock market suggesting that the price of an asset is likely to rise.
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