1001Ferramentas
📊 Calculators

VWAP (Volume-Weighted Average Price)

Computes the VWAP, the volume-weighted average price of a sequence of trades: the sum of price times volume divided by the sum of volumes. Unlike a simple average, the VWAP gives more weight to prices where more trading happened, reflecting the real average price paid over the period. Traders use it as an execution benchmark — buying below the VWAP is considered a good entry. Enter the lists of prices and corresponding volumes, separated by commas.

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VWAP (Volume-Weighted Average Price)

Computes the VWAP, the volume-weighted average price of a sequence of trades: the sum of price times volume divided by the sum of volumes. Unlike a simple average, the VWAP gives more weight to prices where more trading happened, reflecting the real average price paid over the period. Traders use it as an execution benchmark — buying below the VWAP is considered a good entry. Enter the lists of prices and corresponding volumes, separated by commas.

The average price that actually matters

Taking a simple average of a day's prices ignores a crucial detail: not every price had the same size of trade behind it. A spike hit with a hundred shares is worth far less, as a reference, than a level where millions changed hands. The VWAP fixes this by weighting each price by the volume traded, delivering the average price the money actually paid.

That's why it became the market's execution ruler. Institutional desks are judged on buying below the VWAP and selling above it, and entire algorithms exist just to chase that mark through the session. For the ordinary investor, comparing your entry price with the day's VWAP tells you whether you paid dearly or cheaply relative to the crowd.

Enter the list of prices and the list of corresponding volumes, in the same order, separated by commas. The tool sums price times volume, divides by the total volume and returns the VWAP. Remember it's an average of the period entered; a true intraday VWAP recomputes with every new trade through the day.

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Implementation Shortfall

Computes the implementation shortfall of a buy order, André Perold's concept that measures the gap between the return of a paper portfolio executed instantly at the decision price and that of the actually executed portfolio with all costs. It separates the execution cost (price impact and commissions) from the opportunity cost of the shares that went unfilled. The result comes in money, percentage and basis points, always as a cost (positive is worse). Enter the decision price, the execution price, the quantities, the commissions and the final price.

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Effective Spread (Microstructure)

Computes the effective spread of a trade: twice the distance between the price at which the trade actually executed and the midpoint between the best bid and best ask at that moment. Unlike the quoted spread, which measures the bid-ask difference, the effective spread captures the real cost the investor paid, accounting for where the order actually filled in the book. The result comes in absolute value and as a percentage of the midpoint. Enter the trade price and the midpoint.

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Capital Gains Yield

Computes the capital gains yield of an asset: the percentage price appreciation between the start and end of the period, (P1 − P0)/P0. It's the part of the total return that comes from the price change, not counting dividends — added to the dividend yield, it gives the stock's total return. It serves to separate how much of the gain came from appreciation and how much from income. Enter the starting price and the ending price.

The results provided by this tool are for general informational and educational purposes only and do not constitute professional, financial, medical, legal, tax or accounting advice. Always confirm important decisions with a qualified professional and official sources.