Supply and Demand Strategy from stock strategy: Prices move because of supply and demand. When demand is greater than supply, prices rise. When supply is greater than demand, prices fall. Prices will sometimes move sideways as supply and demand are in equilibrium.
In the financial markets, prices are driven by supply (down) and demand (up) excesses. Supply is synonymous with bearish, bears, and selling. Demand is synonymous with bullish, bulls, and buying. As demand increases, prices advance, and as supply increases, prices decline. When supply and demand are equal, prices move sideways as bulls and bears slug it out to gain control.
Support is the price level at which demand is considered strong enough to prevent further prices from declining.
Resistance is the price level at which selling is considered strong enough to prevent the price from rising further.
If a support or resistance level is broken, the relationship between supply and demand has changed. A resistance breakout signals that the bulls (demand) have gained the upper hand, and a support break signals that the bears (supply) have won the battle.
Generally, an oversupply of goods or services causes prices to go down, which results in higher demand. In contrast, an undersupply or shortage causes prices to go up, resulting in less demand.
The balancing effect of supply and demand results in a state of equilibrium.
A market is said to have reached an equilibrium price when the supply of goods matches demand.
In reality, markets are never in perfect equilibrium, although prices do tend toward it.

Supply and demand strategy
What Happens During Market Equilibrium?
When a market is in equilibrium, prices reflect an exact balance between buyers (demand) and sellers (supply). While elegant in theory, markets are rarely in equilibrium at a given moment. Rather, equilibrium should be thought of as a long-term average level.
At each price, the sellers decide how many units they want to offer or supply at this price, and the buyers decide how many units they want to buy or demand. The quantity supplied will be higher, the higher the market price of the good, whereas the amount demanded will be lower, and the market price of the good will be higher. determines the pricing of stocks and other securities.
Economic data, interest rates, and corporate results influence stock demand.
Market dynamics, economic conditions, and changes to economic policy tend to impact the overall supply of stocks.
Both the supply and demand for stocks tend to amp up in response to initial public offerings, spinoffs, or the issuing of new shares.
The law of demand posits that demand declines when prices rise for a given resource, product, or commodity. Demand increases as prices fall. On the supply side, the law posits that producers supply more of a resource, product, or commodity as prices rise. Supply falls as prices fall.
The price at which demand matches supply is the equilibrium, the point at which the market clears. The law of supply and demand is critical in helping all players within a market understand and forecast future conditions.
Equilibrium and Supply and Demand Strategy
Consumers typically look for the lowest cost, and producers test their products at the highest price. When prices become unreasonable, consumers change their preferences and avoid the product.
A proper balance must be achieved where both parties engage in ongoing business transactions to benefit consumers and producers. In supply and demand theory, the optimal price that results in producers and consumers achieving the maximum combined utility occurs where the supply and demand lines intersect.
When demand increases, so do prices if supply stays the same. This eventually leads to an increase in production (supply increasing), which brings down the price. If supply increases, prices go down if demand stays the same. This eventually leads to a decrease in production (supply decreasing).
Some view technical analysis as simply the supply and demand forces reflected by the market price movements of a security.
Technical analysis and chart patterns can be applied to stocks, indexes, commodities, futures, or any tradable instrument where the price is influenced by supply and demand.
Supply and Demand stock strategy depends on the supply and demand forces.
Marginal Utility and Marginal Cost
The marginal utility refers to the increase in satisfaction that an economic actor may feel by consuming an additional unit of a certain good.
The marginal cost refers to the incremental cost for the producer to manufacture and sell an additional unit of that good.
As long as the consumer’s marginal utility is higher than the producer’s marginal cost, the producer is likely to continue producing that good, and the consumer will continue buying it.
Difference Between Marginal Benefit and Marginal Cost
Marginal benefit refers to the highest price a consumer is willing to pay for an additional unit of a certain good. As long as this number is higher than the marginal cost of producing that good, the consumer is likely to buy additional units until their marginal benefit decreases.
When the marginal benefit for a certain good is equal to its marginal cost, that means that the producing company would not see any net gains from producing more of that good.
In that case, it would not make sense for the company to produce additional units, and they would likely direct their resources to other product lines.
When marginal utility equals zero or becomes negative, the consumer will stop buying because the value of what they buy has stopped increasing.
For those with higher incomes, the marginal utility of each additional dollar of income is lower. This is an application known as the law of diminishing marginal utility.
Marginal Cost: The marginal cost is the cost to produce one additional unit of production.