Money Market Instruments & Nostro/Vostro 2026: IIBF Treasury

Money market instruments — this guide gives you the latest 2026 understanding of the short-term instruments a bank treasury uses to manage liquidity, and how nostro and vostro accounts make cross-border settlement work. We cover the main instruments, the correspondent-banking accounts and exactly what IIBF Treasury Management candidates must remember.

For candidates of the IIBF Treasury Management certification, money market instruments are the bread and butter of the dealing room. They explain how a bank parks surplus funds, raises short-term money and keeps its liquidity position balanced every single day.

In this guide we unpack the principal money market instruments, their tenors and characteristics, and then turn to the nostro, vostro and loro accounts that underpin foreign-exchange and correspondent banking. Together these form the operational core of treasury work.

What the Money Market Is

Money market instruments are short-term debt instruments — generally with a maturity of up to one year — used to manage liquidity. The money market is where banks, financial institutions, corporates and the government borrow and lend for short periods. It is distinct from the capital market, which deals in long-term funding.

A bank treasury uses this market constantly: to deploy a temporary cash surplus profitably, to cover a short-term shortfall, and to keep within its statutory and prudential liquidity requirements. The instruments are typically low-risk, highly liquid and traded in large denominations.

For a banker, the money market is the day-to-day plumbing of funding. RBI conducts liquidity operations in this market through its policy instruments, so candidates should follow current rates and operations. Bookmark our RBI rates resource page rather than memorising figures that move.

The Key Money Market Instruments

Several money market instruments dominate treasury operations. Treasury Bills (T-Bills) are short-term obligations of the government issued at a discount and redeemed at face value, carrying no credit risk. Call and notice money is the inter-bank market for very short tenors, used to manage daily reserve positions. Certificates of Deposit (CDs) are negotiable instruments issued by banks to raise short-term funds.

Commercial Paper (CP) is an unsecured promissory note issued by highly rated corporates to meet short-term needs. Repurchase agreements (repos) involve selling securities with an agreement to buy them back, effectively a collateralised short-term loan. Each instrument has a typical tenor, issuer profile and risk character that candidates must be able to distinguish.

Building a comparison table of each instrument — issuer, tenor, discount or coupon, and credit risk — is the most efficient way to lock these in. Drill the distinctions using our IIBF mock tests until recall is automatic.

Nostro, Vostro and Loro Accounts

Cross-border treasury work runs on correspondent-banking accounts. A nostro account — from the Latin for "ours" — is an account a domestic bank holds with a foreign bank, in the foreign currency. From the Indian bank's perspective, "our account with you, held in your currency" is the nostro. It lets the bank settle foreign-currency transactions abroad.

A vostro account — "yours" — is the mirror image: an account that a foreign bank holds with the domestic bank, in the domestic currency. From the Indian bank's perspective, "your account with us, in our currency" is the vostro. A loro account is a third-party reference: "their account", used when one bank refers to an account that another bank holds with a third bank.

The simplest memory aid is perspective: the same account is a nostro to the bank that owns the funds abroad and a vostro to the bank that maintains it. Mastering this viewpoint is essential, because exam questions deliberately test the direction. Strengthen your fundamentals with the structured IIBF certification course on iibf.store.

How Treasury Ties It Together

A bank treasury blends rupee money market instruments and foreign-currency correspondent accounts into a single liquidity-management function. The domestic desk manages call money, T-Bills, CDs and repos to keep the rupee position balanced, while the forex desk uses nostro balances to settle trade and remittance flows and manages the resulting currency exposure.

Good treasury practice means forecasting cash flows, maintaining adequate but not excessive balances in nostro accounts (idle foreign balances earn little), and using the money market to fine-tune the position daily. Reconciliation of nostro accounts is a critical control to catch errors and fraud early.

For IIBF candidates, remember how the domestic and forex sides connect and why nostro reconciliation matters. Explore more treasury and banking guides on our blog to broaden your preparation.

Exam Strategy for Treasury Candidates

Money market instruments questions typically test the features of T-Bills, CDs, CP, call money and repos, plus the nostro-vostro-loro distinction. Build a comparison table for the instruments and a one-line perspective rule for the accounts, then revise until both are automatic.

Pair conceptual study with timed practice and review weak areas after every attempt. Keep current with RBI operations so your understanding reflects today's market. Start your free IIBF mock tests today and track progress on iibf.store.

Source: Reserve Bank of India — rbi.org.in

Frequently Asked Questions

Master money market instruments and the rest of the Treasury Management syllabus by combining structured notes with timed practice. Start your free IIBF mock tests today and track your progress on iibf.store.