Blog/Education

How Mobile Money investing works

EducationJune 20265 min readAmarah Team

The full picture: from XAF to NYSE

When you tap "buy" on Amarah, a chain of events unfolds in seconds: your XAF payment leaves your MoMo wallet, converts to USD, routes to a US broker, executes on the New York Stock Exchange, and settles as real securities in your name. The whole process is automated, regulated, and transparent.

Here is how each step works.

Step 1: the Mobile Money layer

Amarah integrates directly with MTN MoMo and Orange Money APIs. When you initiate a deposit, a payment request is sent to your MoMo account. You confirm with your PIN — the same way you pay for airtime or transfer money to a friend. Funds move from your MoMo wallet to Amarah's pooled collection account within seconds.

This is a standard mobile payment flow used by thousands of apps in the region. The MoMo networks handle the authentication and settlement.

Step 2: the currency conversion

Once XAF funds arrive, Amarah converts them to USD using the Bloomberg mid-market rate plus a 1% margin. This conversion happens programmatically through our banking partner's FX facility. The resulting USD balance is credited to your Amarah sub-account in real time.

The XAF/USD rate is locked at the moment of conversion, so the USD amount you see in your account is guaranteed — no hidden rate adjustments after the fact.

Step 3: the US broker executes the trade

Your USD funds are held in your name at our US FINRA/SIPC-member broker partner. When you place a buy order, Amarah sends the instruction to the broker's API. The broker routes the order to the relevant exchange (NYSE or Nasdaq), where it executes at the best available market price.

For fractional shares, the broker internally allocates the fraction from a pool — a standard practice across all fractional share platforms. Your allocation is recorded in your account ledger immediately upon execution.

Step 4: settlement (T+1)

In the US, stock trades settle on a T+1 basis — meaning the trade officially completes one business day after execution. Until settlement, your shares are in a pending state but already reflected in your portfolio balance.

Withdrawal requests are processed after settlement. This is standard practice for all broker-dealers globally.

Security at every layer

Each layer has independent security: MoMo PIN for payments, biometric authentication for the Amarah app, encrypted API connections to our broker partner, and SIPC protection for your holdings.

Your securities are held in segregated accounts in your name — they are never pooled with Amarah's corporate assets. Amarah cannot access or use your holdings for its own purposes.

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How Mobile Money investing works | Amarah Blog