Live · Au / Ag Ratio
Au / Ag ratio — when to swap, backtested.
The popular "80/50 rule" says buy silver when the ratio goes above 80, buy gold when it drops below 50. Is this actually optimal? Backtest your own thresholds and premiums against 25+ years of data.
Data from 20002,760 price points
Optimal thresholds · auto-applied · 1,380 days since 2000
Buy gold ≤ 49Buy silver ≥ 81
Current
63.7
Average
68.8
Min
32.1
Max
117.3
Au / Ag ratio · vs thresholds + swaps
▲ 3 Au buys▼ 3 Ag buys
Drag slider · scroll to zoomCurrent 63.7 · Range 32.1–117.3
Transaction Premium
Adjusts every round-trip cost in the simulation below
1%Stacking Simulation
6 trades · Starting with 1 oz gold
Currently holding: Gold
| Action | Date | Ratio | Gain | Holding | |
|---|---|---|---|---|---|
| Buy Ag @ 81 | 81.22 | +0.0% | Ag80 oz | ||
| Buy Au @ 47 | 46.84 | +71.7% | Au1.699 oz | ||
| Buy Ag @ 82 | 81.54 | +0.0% | Ag137 oz | ||
| Buy Au @ 49 | 49.09 | +64.4% | Au2.766 oz | ||
| Buy Ag @ 83 | 83.18 | +0.0% | Ag228 oz | ||
| Buy Au @ 48 | 48.22 | +70.8% | Au4.677 oz | ||
| Holding | Now | 63.71 | +32.1%open | — | Au4.677 oz= 298 oz Ag |
Stacked
4.7× your starting gold
Gold equivalent
1 oz gold → 4.677 oz (+368%)
Silver equivalent
80 oz → 298 oz (+271%)
Swap gold → silver when the ratio is high (silver cheap) and silver → gold when the ratio is low (gold cheap). Compounds your ounce count over time without adding capital.
Buy gold ≤ 49Buy silver ≥ 81
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