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Market Order vs. Limit Order: Cost, Fill Risk, and Examples

A market order prioritizes prompt execution but does not set a maximum purchase price or minimum sale price. A limit order sets that price boundary but may fill only partly or not at all. The practical choice is therefore not "fast versus cheap." It is a trade-off between execution certainty, price protection, liquidity, timing, and what happens if the order remains unfilled. Quick answer A market buy generally seeks the next available selling price, while a market sell generally seeks the next available buying price. It can execute away from the last-traded price or the quote visible when the order was entered. A buy limit order can execute only at the limit price or lower. A sell limit order can execute only at the limit price or higher. The price boundary does not guarantee any execution. Market order: no investor-set price boundary; prompt execution is the priority. Limit order: investor-set worst acceptable price; execution is conditional. Marketable limit o...
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Position Size Calculator: Risk per Trade, Stop Loss, and Shares

Position sizing translates a chosen account-risk budget, an entry price, and a stop price into a maximum number of shares. This calculator also accounts for estimated entry and exit slippage, round-trip fees, a maximum position-value cap, available capital, and a user-defined whole- or fractional-share increment. It supports structurally valid long and short setups, but it does not guarantee that a stop order will execute at the entered stop price. Quick answer A risk-based position size starts with the maximum dollars the trader is willing to lose if the planned exit occurs. Divide that risk budget, after fixed round-trip fees, by the estimated loss per share. Then apply any separate capital or concentration limit and round down to a share increment the broker actually supports. Risk budget = account balance x risk percentage Adjusted risk/share = |entry price - stop price| + entry slippage + exit slippage Risk-sized shares = (risk budget - round-trip fees) / adjusted risk/...
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Dividend Growth Calculator: CAGR, Future Income, and Time to Double

Dividend growth measures how a per-share dividend changed over time, while a future-income projection applies an explicit growth assumption to a current annual dividend. This calculator keeps those two jobs separate: it computes historical dividend CAGR, projects low, base, and high scenarios, estimates annual income for a fixed share count, and calculates the mathematical time to double when growth is positive. Quick answer Dividend CAGR is the constant annual rate that connects a starting annual dividend per share with an ending annual dividend per share over a stated number of years. It summarizes the endpoints; it does not prove that the dividend grew smoothly every year. Historical dividend CAGR = (ending annual dividend / starting annual dividend)^(1 / years) - 1 Future annual dividend/share = current annual dividend/share x (1 + growth rate)^years Years to double = ln(2) / ln(1 + growth rate) Projected dividends are hypothetical. A company or fund can increase, hold,...
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