BlueGamma vs LSEG Workspace for interest rate data
LSEG Workspace, which replaced Refinitiv Eikon in 2025, covers markets broadly. If you need rates in a model, a treasury system or your own product, the questions that matter are how the data gets out and what the licence lets you do with it.
LSEG Workspace suits teams that need data and news across many markets. BlueGamma covers interest rate data only, with published prices and a licence written for using the data in your own models and systems. Some teams add BlueGamma as a second source for rates alongside an existing LSEG contract.
// Excel: live SOFR swap rate in a cell =BlueGamma.SWAP_RATE("SOFR", start_date, maturity_date, "Annual") # API: the same rate, one GET away GET api.bluegamma.io/v1/swap_rate ?index=SOFR&start_date=2D&maturity_date=10Y x-api-key: your_api_key
- 100+financial institutions
- 60k+forward curves downloaded
- $100bn+of swaps priced and valued
At a glance
| Criterion | BlueGamma | LSEG Workspace |
|---|---|---|
| Coverage | Interest rate data across 30+ currencies: forward curves, swap rates, fixings, discount factors, swap and cap pricing | Multi-asset data, news and analytics |
| Price | App from $349 a month; API from $349 per index a month, both on the pricing page | Not published |
| Licence | Internal covers your models, systems and internal reports. Display adds showing the curves to your clients, quoted for you | Set in your LSEG agreement |
| Getting data out | Excel add-in, REST API, and an MCP server for AI assistants | Workspace, its Excel tools and data APIs, under LSEG’s terms |
| Accuracy | Within 1bp of bank mids; every curve timestamped and repeatable | Widely used as a market reference |
LSEG withdrew Refinitiv Eikon on 30 June 2025 and moved its users to LSEG Workspace (source). LSEG does not publish Workspace prices.
Questions to ask any rates data provider
For a treasury system or a product, the licence decides the real cost. Ask every provider these, us included. Our answers are on the right.
| Question | BlueGamma |
|---|---|
| Can we feed the data into our treasury system, and does that cost extra? | Yes. The Internal licence covers your own systems at no extra charge. |
| Can we keep the data and the results we calculate from it? | Yes, while you subscribe, for use inside your company. |
| Can our clients see the curves, or numbers built on them? | Yes, with a Display licence, quoted for you. |
| Is it priced per person, per index or per site? | App plans are per person and the API is per index. Both are on the pricing page. |
| How long is the contract? | Plans are monthly by card. API licences are agreed on a one-page quote. |
| Can we test it against our current source first? | Yes. Every 14-day trial includes an API key. |
A second source for rates
You don’t have to replace an LSEG contract to use BlueGamma. Teams add us as a second source to check curves against, as a backup feed, or to give modellers rates in Excel without adding Workspace seats.
Where LSEG is the better choice
- equities, credit, commodities or FX data alongside rates
- news and research in the same tool
- reference data for securities and issuers
- one contract already covering other teams in your firm
“We needed a reliable, cost-effective API for interest rate curves… BlueGamma’s easy-to-integrate, ready-to-use forward curves and comprehensive coverage made them the clear choice.”
Try the API on your own system
The API docs are public, and every 14-day trial includes a key.
FAQs
No. LSEG withdrew Eikon on 30 June 2025 and moved its users to LSEG Workspace.
Yes. Every licence covers use inside your company, including your own systems. To show the data to clients, you need a Display licence.
Forward curves, swap rates, discount factors and fixings, as JSON, from the same data the web app and Excel add-in use. Read the API docs.
Swap rates from June 2018, government bonds back to the 1980s for the largest markets, and FX forwards from December 2025.
Every curve is built from live market quotes, timestamped, and within 1bp of bank mids. The methodology page shows how, and we’re happy to reconcile against your own numbers in a trial.
LSEG, Workspace and Eikon are trademarks of the London Stock Exchange Group. BlueGamma is not affiliated with, endorsed by, or sponsored by LSEG. Not investment or procurement advice.