NaCN Index — methodology
The Benchmark NaCN Index is a transparent, parametric fair-price reference for sodium cyanide. Adjust inputs to see live recomputation.
Formula inputs
PNaCN = C₀·CI·FX + β·QAu·(PAu − PAu,base)/QNaCN+ Tship + Trisk + Tstor + Tseason + Tcarbon
Formula inputs
C0 base cost
USD/t
2,0004,500
CI cost index
x
0.502.00
FX
x
0.701.50
β effective
%
2.0012.00
Gold base
USD/oz
1,5003,000
Gold current
USD/oz
2,2004,200
Surcharges
T_ship logistics
USD/t
0600
T_risk regulatory
USD/t
0600
T_stor storage
USD/t
0300
T_season seasonality
USD/t
-200300
T_carbon ESG
USD/t
0400
Fair price
Recomputed instantly
$ 10,227/t
Base C₀·CI·FX$ 3,100
β · gold margin$ 7,127
Surcharges$ 0
Waterfall
Index over time
Last ~2h, live updates
Contribution breakdown
USD/t and share of fair price
| Component | USD/t | Share |
|---|---|---|
| C₀ · CI · FX | 3,100 | 30.3% |
| β · gold margin | 7,127 | 69.7% |
| T_ship | 0 | 0.0% |
| T_risk | 0 | 0.0% |
| T_stor | 0 | 0.0% |
| T_season | 0 | 0.0% |
| T_carbon | 0 | 0.0% |
| Total | 10,227 | 100% |
Data sources
Adapter stubs — connect real providers later
LBMA Gold AM/PM
mockGold · LBMA · 2x daily
WGC production stats
mockGold · World Gold Council · quarterly
NaCN price reports
mockNaCN · ICIS / Argus · weekly
Container freight
mockLogistics · Drewry · daily
Ammonia (NH3) price
mockInputs · Argus · daily
FX rates
mockFX · Reuters · tick
Warehouse stocks
mockStorage · Custodians · hourly
Sanctions & risk
mockCompliance · OFAC / EU / UN · daily
Carbon footprint
mockESG · S&P Trucost · monthly