PT Amman Mineral Internasional vs American Sierra Gold: Fair Value & Quality
Both stocks run through our valuation models. Here is how PT Amman Mineral Internasional (AMMN) and American Sierra Gold (AMNP) compare, as of Sep 12, 2026.
Head-to-head numbers
Green value = the better side for that row (for valuation multiples: lower = cheaper).
Dash = not meaningfully computable, for example with negative equity.
Quality in detail
The quality score, broken down into the same factor families as on the stock page, 0 to 100 per family.
What the models say
How far the median fair value (base case) per model family sits from the current price, in percent. The amount in the currency of the trading venue is shown underneath.
▲above the price, more than 15% above ●close to the price, 85% to 115% of the price ▼below the price, more than 15% below
| Model family | PT Amman Mineral InternasionalPrice IDR 4,860 | American Sierra GoldPrice $0.07 |
|---|---|---|
| Earnings-Based | ▼-90%below the priceIDR 509 | n/a |
| Multiples | ▼-79%below the priceIDR 1,018 | n/a |
| Asset-Based | ▼-83%below the priceIDR 848 | ▼-86%below the price$0.01 |
| Economic Profit | ▼-84%below the priceIDR 763 | n/a |
| Growth Earnings | ▼-86%below the priceIDR 679 | n/a |
| Minimum | ▼-90%below the priceIDR 509 | ▼-86%below the price$0.01 |
| Maximum | ▼-79%below the priceIDR 1,018 | ▼-86%below the price$0.01 |
| Median | ▼-84%below the priceIDR 763 | ▼-86%below the price$0.01 |
| Geometric mean | ▼-85%below the priceIDR 744 | ▼-86%below the price$0.01 |
Minimum, maximum, median and geometric mean refer to the family values in this table. Geometric because deviations are ratios: half the price and twice the price average to 100%, not 125%.
PT Amman Mineral Internasional: 11 of 11 models see the stock below the current price.
American Sierra Gold: 1 of 1 models see the stock below the current price.
Scenario ranges
From our cautious bear case to the optimistic bull case. The white tick is the current price: left of fair value means room to run.
Compare two other stocks
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Ranked within their sector
Where each stock sits within its sector peer group. Band = middle 50% of peers, tick = median, dot = this stock.
PT Amman Mineral Internasional · Materials
American Sierra Gold · Materials
Bottom line
As of Sep 12, 2026, Fair Value Calculator sees American Sierra Gold as the less overvalued of the two: PT Amman Mineral Internasional trades at IDR 4,860 versus a fair value of IDR 1,018 (-79%), while American Sierra Gold trades at $0.07 versus $0.02 (-76%).
American Sierra Gold has the higher quality score (40/100).
See the full analysis →More comparisons
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A model-based valuation snapshot from 26 models. Values change with price and fundamentals; the date shown above applies.