Dollar-Cost Averaging Simulator

Dollar-Cost Averaging on BODIVA: Managing Entry Risk in a Thin Market

BODIVA’s equity segment lists fewer than ten securities, and daily trading volumes rarely exceed Kz 50 million on any single name. In a market this concentrated and illiquid, deploying a large lump sum carries significant timing risk – buying at a short-term peak can lock in losses that take months to recover given the limited price discovery. Dollar-cost averaging (DCA), known in Portuguese as investimento periodico sistematico, spreads the entry across multiple purchase dates, reducing the impact of any single adverse price movement.

What This Tool Does

The DCA Simulator models the outcome of investing a fixed Kwanza amount at regular monthly intervals into a BODIVA-listed security, given a starting price and an ending price over the investment horizon. The tool calculates the total shares accumulated, the weighted average cost per share, the total amount invested, the portfolio value at the final price, and the overall gain or loss. By comparing the average cost against the final price, the tool reveals whether DCA delivered a better entry than a single lump-sum purchase at the starting price.

How to Use It

1. Enter the monthly investment amount in Kwanza. The default is Kz 100,000 (~$109 at USD/AOA ~914.60).
2. Set the number of months for the DCA program (1 to 120 months).
3. Enter the starting share price – the price at month one when the program begins.
4. Enter the ending share price – the price at the final month. The tool assumes a linear price trajectory between start and end to simulate a trending market.
5. Click Calculate to view the DCA results.

Worked Example: 12-Month DCA into a BODIVA Equity

An investor allocates Kz 200,000 per month to purchase shares of a BODIVA-listed bank stock. The share price starts at Kz 1,000 and rises to Kz 1,400 over 12 months:

Summary (full 12 months):

Compare this to a lump-sum investor who deployed the full Kz 2,400,000 at the starting price of Kz 1,000: they would own 2,400 shares worth Kz 3,360,000 – a 40% gain. In this rising-market scenario, the lump-sum approach outperforms DCA because the investor captures the full price appreciation from day one.

However, the DCA advantage emerges in volatile or declining markets. If the price dropped from Kz 1,000 to Kz 700 before recovering to Kz 1,000, the DCA investor would have accumulated more shares at the lower prices, resulting in a lower average cost and a potentially positive return even at the original starting price – while the lump-sum investor would break even.

When DCA Makes Sense in the Angola Context

DCA is particularly suited to BODIVA’s equity market for several reasons:

• Thin liquidity means that large single orders can move prices against you. Spreading purchases over time minimizes market impact.
• Limited price transparency on some BODIVA-listed names means current quoted prices may not reflect executable levels. Monthly entries allow time for proper price discovery.
• Salary-linked investing aligns naturally with DCA. An investor contributing a fixed percentage of their monthly salary (salario mensal) to BODIVA equities automatically implements a DCA strategy.

With the BNA base rate at 17.5% and inflation at 15.7% (INE, December 2025), equity investments need to deliver returns above those thresholds to justify the additional risk versus sovereign bonds. DCA does not change the return profile of the underlying asset – it only changes the entry price dynamics.

For tracking the cost basis of shares accumulated through DCA, use the Cost Basis Calculator to compute your adjusted average price and estimated capital gains tax. The Watchlist monitors current prices, the Goal-Based Savings Calculator helps determine the monthly DCA amount needed to reach a portfolio target, and the Asset Allocation Optimizer ensures your DCA equity program fits within a broader diversified portfolio strategy.