Compare monthly and upfront investing with the same initial budget at a constant effective annual return.
The monthly strategy invests equal amounts at completed month ends. The upfront strategy invests the same total budget at the start. Both assume that the entire budget is initially available and waiting cash earns no interest.
The entered return is an effective annual scenario converted to a constant monthly factor. A final fractional month grows invested balances without adding a partial deposit. Charts show invested balances, excluding waiting cash.
This comparison does not simulate market volatility, share prices, quantities purchased or average purchase cost. It does not identify a safer strategy or guarantee returns. Taxes, withdrawals and changing returns are excluded.