| Source | Series | Cadence |
|---|---|---|
| CFTC | Disaggregated commitments of traders, COMEX silver | Weekly |
| LBMA | London vault silver holdings | Monthly |
| FRED | 10-year real yield, nominal yield, broad dollar | Daily |
| Exchanges | Gold, silver, copper, and zinc futures | Daily |
| Company filings | Producer output, one source linked to each figure | As published |