Open source · Building in public · Free forever

Institutional derivatives intelligence. Open source.

Institutional-grade derivatives pricing and risk — built in public, free forever. Complex tools made accessible to everyone.

Try IRS Pricer → XVA Simulator XVA Desk Tool ✦ Vol Surface → ✦ SIMM IM Estimator →
$0.02
5Y IRS NPV vs Bloomberg at par
8dp
Rate precision on bootstrap
6
XVA components (CVA/DVA/FVA/ColVA/MVA/KVA)
Free
No signup required for tools
LIVE TOOLS

Start pricing in seconds

No signup. No installation. No IT approval. Open in any browser.

LIVE

IRS Pricer

Price a vanilla interest rate swap, solve for par rate, drag the yield curve and see real-time repricing. USD SOFR · EUR €STR · GBP SONIA.

OIS
BOOTSTRAP
IR01
GREEKS
∞
SCENARIOS
Open IRS Pricer →
LIVE

XVA Simulator

Interactive Monte Carlo engine — visualise how EE, ENE and EPE exposure profiles emerge from simulated rate paths, and how CVA is derived from those profiles. Hull-White model, 500 paths, Q measure.

500
MC PATHS
HW
HULL-WHITE
Q
MEASURE
Open XVA Simulator →
LIVE · DESK TOOL

XVA Waterfall Calculator

Paste your real MC Expected Exposure profile from any risk system. Get the full XVA waterfall — CVA, DVA, FCA, FBA, MVA, KVA — with SA-CCR capital and SIMM MVA. Built for desks with no XVA module.

6
XVA COMPONENTS
SA-CCR
KVA METHOD
0
IT APPROVALS
Open XVA Waterfall →
LIVE · NEW

Vol Surface Scenario

Interactive 3D swaption volatility surface. Apply vol shocks — parallel shift, skew steepen, wing expansion, stress — and see live NPV repricing. Drag the surface to create custom vol scenarios. β=0 Normal SABR · Bachelier model.

3D
SURFACE
SABR
β=0 NORMAL
LIVE
REPRICE
Open Vol Surface →
LIVE · NEW

P&L Attribution

5Y USD Term SOFR 3M vs Fixed payer. IR01, IR01 disc, and Basis01 as named Greeks. Slide the Term SOFR vs SOFR OIS basis and watch every Greek respond to the spread that has no two-way screen market. “Basis dislocation” preset applies LIBOR-OIS-scale stress.

TERM
SOFR 3M
BASIS01
NAMED GREEK
LIBOR-OIS
PARALLEL
Open Attribution →
LIVE · NEW

Bermudan Swaption

HW1F trinomial tree with tail-shrink convention. Toggle Bermudan vs European to isolate the early-exercise premium. Live USD SOFR curve from Bloomberg ICVS, σ_normal calibrated to vol-cube input. Full Greeks plus XVA waterfall on the same tree. Validated within 5% of Bloomberg SWPM at 1Y × 5Y.

HW1F
TRINOMIAL
±5%
vs BBG SWPM
σn
CALIBRATED
Open Bermudan Pricer →
✦ LIVE · NEW

✦ Prometheus · Hedge Advisor

Three convexity hedging puzzles taught by Prometheus, the AI hedge advisor inside Rijeka. Linear hedge → buying gamma → multi-dimensional risk. Walk the arc every rates flow desk learns implicitly. Step-by-step instructions, live IR01 / IR Gamma / Vega readouts, and the lesson that hedging gamma is never free.

3
PUZZLES
AI
TUTOR
FIRE
FOR ALL
Open Prometheus →
✦ LIVE · NEW

✦ Prometheus · SIMM IM Estimator

ISDA SIMM v2.8+2506 initial margin in 30 seconds. Grid entry or paste CRIF, multi-counterparty rollup, 1-day / 5-day VaR translation, and a full Excel trace where every cell is a live formula linking back to inputs and parameters. Methodology is public — only the engineering sits behind paywalls.

SIMM
v2.8+2506
259
LIVE FORMULAS
FREE
FOREVER
Open SIMM Estimator → ↓ Example Excel
PLATFORM BETA

Rijeka Platform

Full derivatives trading and risk platform. Book IR swaps, view cashflows, run curve scenarios, manage counterparties. Launching soon.

IRS
LIVE NOW
XVA
COMING
SIMM
LIVE NOW
Request Early Access →
PLATFORM

Everything a rates desk needs

Built by someone who's spent 15 years at the intersection of XVA, CCR, IPV and market risk.

✓ Validated vs Bloomberg — 5Y USD SOFR OIS: NPV $0.02 at par
⬡

OIS Bootstrap Engine

Dense annual grid, frozen spot DF pillar, sequential M-tenor bootstrap. 8dp rate precision. Validated against Bloomberg SWPM.

⤢

Interactive Curve Scenarios

Drag any tenor point to reshape the yield curve. Gaussian ripple propagates to neighbours. Reprice live. Bear steepener, bull flattener, Fed hike cycles.

△

Full Greeks

IR01, IR01 DISC, Gamma, Theta. Correct separation of discount vs forecast curve sensitivity. DV01/PV01 are not in our vocabulary.

◎

XVA Waterfall

CVA from simulated EE profiles. DVA, FCA, FBA, MVA (SIMM IM funding cost), KVA (Basel III capital). Full waterfall in one tool.

⬕

ISDA SIMM

Sensitivity-based IM calculation per SIMM v2.8+2506. Risk weights, correlation matrices, multi-currency aggregation, concentration scaling. Live now via the SIMM IM Estimator ✦.

◑

Multi-Currency

USD SOFR, EUR €STR, GBP SONIA, JPY TONAR, CHF SARON, AUD AONIA, CAD CORRA. Proper index defaults per currency.

Complex financial concepts deserve better explanations

Built in public by a 15-year derivatives veteran — XVA, CCR, market risk, valuation control. Free. Forever.

Try the IRS Pricer → GitHub
© 2026 Rijeka · Miko Devedzic · All rights reserved Open source · MIT License · Attribution required