The index is published monthly by the U.S. Bureau ... the overall monthly change in final demand PPI. The indexes calculate price changes in private contracts based on suppliers' input prices.

NerdWallet’s calculator doesn’t include tax data ... One way to track the change in the cost of living is through the Consumer Price Index (CPI), which the Bureau of Labor Statistics uses ...

To calculate your average trade price, add all purchase prices and divide by the number of trades. Use weighted average trade price calculation if share quantities vary per purchase. Weighted ...