Banking & Capital Markets Systems · Chapter 5 of 13
Treasury, FX, and the single counterparty underneath all of it
Why CCIL has no analogue in most engineers' mental model of markets, and why the vendor question matters less than you would think.
Treasury systems are where the vendor names are most famous and the sourcing is weakest. The durable content here is not which bank runs Murex — it is the market structure underneath every one of them, which is genuinely unlike anywhere else.
CCIL was set up in 2001 and recognised as a Qualified CCP in 2014. Its subsidiary Clearcorp runs the actual trading screens: NDS-OM for anonymous government-securities trading — owned by RBI, operated by Clearcorp — FX-Clear for USD-INR spot and swap, TREPS for triparty repo, a forex forward segment CCP-cleared with a trade-date guarantee since 2009, and OPTIX for USD-INR options, whose regulations took effect on 1 September 2025.
Note the regulator, because people get it wrong constantly: CCIL is supervised by the Reserve Bank under the Payment and Settlement Systems Act, not by the securities regulator. If you say SEBI in an interview you will be corrected.
Why this changes the job
In most markets a bank's treasury platform integrates with several separate utilities under different owners with different message formats. In India, government securities, repo and increasingly FX and FX options funnel through one counterparty. So whatever front end a bank runs, the CCIL integration layer — file formats, margining, settlement files — is a fixed, shared component of every treasury implementation in the country.
Which makes CCIL experience portable between employers in a way that DTCC experience is not, because DTCC does not also clear your repo and your FX.
The vendors, and an honest gap
| Platform | What it is | India evidence |
|---|---|---|
| Murex (MX.3) | Cross-asset front-to-back — the heavyweight incumbent for derivatives and rates | SBI go-live announced — but the press release is from 2009. A current PSU and regional-bank push is real but names no bank |
| Calypso — now Nasdaq, via Adenza | Cross-asset, strong in clearing and collateral | RBL Bank selected it for FX, fixed income, money market, equity and repo — September 2021 |
| Finastra (Kondor, Summit) | Treasury and capital markets | A small finance bank ran a full front-to-back Kondor implementation — the bank is never named |
| FIS | Quantum and Ambit | ⚠️ Do not conflate these. Quantum is a corporate treasury system used by company treasuries; Ambit is the bank-side platform. Different buyers |
Not one Indian institution could be confirmed on Murex, Calypso, Kondor or Summit with a citation less than three years old.
That is not a research failure, it is the shape of the market: these deals are announced once and then vanish from the public record. A candidate should expect to learn the platform from the job description, not from public sourcing — and should treat anyone who states it confidently online as unreliable.
The same applies to GCC work. Deutsche, Barclays and UBS all run very large Mumbai and Pune centres — UBS alone has 15,000+ staff across Mumbai, Pune and Hyderabad — and the platform each supports is genuine tribal knowledge that does not surface publicly.
Check yourself