Support, Resistance, Supply/Demand, Big Orders

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**Support and Resistance**
Support and resistance are fundamental concepts in technical analysis used to determine price levels on charts where an asset tends to stop and reverse its direction.

- **Support** refers to a price level where a downtrend can be expected to pause due to a concentration of demand. Buyers are likely to enter at this level, preventing the price from falling further. In other words, support acts like a floor beneath the price.

- **Resistance** is the opposite of support and refers to a price level where an uptrend may stall due to a concentration of selling interest. Sellers are likely to enter at this level, preventing the price from rising further. Resistance acts as a ceiling above the price.

Support and resistance levels are often identified through previous price action and can be used to forecast potential reversal points.

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**Supply and Demand**
Supply and demand are market forces that dictate price movement based on the balance between the quantity of an asset available (supply) and the desire to purchase it (demand).

- **Demand** is created when buyers are willing to purchase an asset, usually driving the price upwards if demand outweighs supply.

- **Supply** occurs when sellers are willing to sell an asset, often driving the price downward if supply exceeds demand.

Supply and demand zones can often be observed on charts and can help traders identify areas where price may face upward or downward pressure based on the relative strength of either force.

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**Big Orders**
Big orders (often referred to as large institutional orders or market orders) refer to large transactions that are typically placed by institutional investors or traders. These orders can have a significant impact on market prices because their size may overwhelm the usual market liquidity.

- Large buy orders may push the price upward, especially if there is limited supply available at that price level.

- Large sell orders may push the price downward if there is insufficient demand at the price level.

Big orders are important for understanding price movements as they can lead to sharp price fluctuations or create levels of support/resistance where these large orders are placed. Traders often monitor the order book to identify such big transactions or anticipate their effects on the market.