💹 Fintech & Capital Markets · Sequence
Mutual Fund SIP Purchase Sequence
How a monthly SIP in a mutual fund works behind an investment app: mandate debit, order to the exchange platform, NAV allotment and units credited.
Drawing diagram…
What this diagram shows
- The SIP amount is debited automatically by mandate
- Units are allotted at that day's NAV
- The investor gets confirmation from the registrar
Prompt used
Mutual fund SIP sequence: on the SIP date the investment app's backend triggers the auto-debit mandate through the bank. After payment it places a purchase order on the exchange's mutual fund platform (BSE StAR MF), which forwards it to the fund's registrar (RTA). The RTA allots units at the day's NAV and sends a confirmation; the app updates the investor's portfolio and notifies them.
Mermaid code
sequenceDiagram participant APP as Investment App Backend participant BANK as Investor's Bank participant MF as Exchange MF Platform participant RTA as Registrar (RTA) actor I as Investor APP->>BANK: Debit SIP amount via mandate BANK-->>APP: Debit successful APP->>MF: Place purchase order MF->>RTA: Forward order and funds RTA->>RTA: Allot units at today's NAV RTA-->>MF: Allotment details MF-->>APP: Units allotted APP->>APP: Update portfolio APP-->>I: SIP processed - units credited RTA-->>I: Confirmation email
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