This inflation calculator uses the change in the Consumer Price Index (CPI) from 1913 to 2025 to estimate the U.S. dollar's buying power and future value.

If you bought all of your stock in a single transaction, it's easy to determine how your investment is performing. Simply look at the current share price and compare it to the price you paid. However, ...

On the other hand, if Intel stock experienced the same 20% move to $34.56, it would translate to a price-weighted average of $60.14, or a move of just 3.3%. So Apple's 20% move has more than three ...

Policymakers cling to a 1970s consumer-price index formula that overstates cost increases and drives up automatic spending.

Companies often issue additional shares to raise money for their financing needs. For example, real estate investment trusts (REITs) are known to issue shares in order to acquire more properties and ...

Use a weighted average to evaluate stock performance if purchased in multiple transactions. Calculate weighted average by multiplying share price by quantity, then divide by total shares. Knowing your ...