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STOCK COMPARISON

PT Amman Mineral Internasional vs Northam Platinum Holdings: Fair Value & Quality

Both stocks run through our valuation models. Here is how PT Amman Mineral Internasional (AMMN) and Northam Platinum Holdings (NPH) compare, as of Sep 5, 2026.

As of Sep 5, 2026, Fair Value Calculator sees PT Amman Mineral Internasional as the less overvalued of the two: PT Amman Mineral Internasional trades at IDR 4,390 versus a fair value of IDR 1,021 (-77%), while Northam Platinum Holdings trades at ZAR 321 versus ZAR 64.28 (-80%).
PT Amman Mineral Internasional
AMMN.JK · IDR · Materials
-77%
upside to fair value
overvalued
PriceIDR 4,390
Fair ValueIDR 1,021
Quality26/100
Northam Platinum Holdings
NPH.JSE · ZAC · Materials
-80%
upside to fair value
overvalued
PriceZAR 321
Fair ValueZAR 64.28
Quality52/100
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Head-to-head numbers

Green value = the better side for that row (for valuation multiples: lower = cheaper).

PT Amman Mineral InternasionalNortham Platinum Holdings
Valuation
24.0×P/E (TTM)10.4×
9.58×P/S (TTM)2.26×
4.76×P/B2.93×
20.7×EV/EBITDA10.0×
−76.7%Fair value upside−80.0%
—Dividend yield2.8%
—Dividend per shareZAR 9.00
Profitability
39%Operating margin25%
1.38×EBIT margin trend (5Y)0.36×
10%Return on equity26%
5%Return on assets9%
Growth
379%Revenue growth (YoY)60%
-13.6%Avg. growth/yr (3Y)-1.2%
12.7%Avg. growth/yr (5Y)13.1%
+0.9%Value creation/yr−5.4%
Balance & size
1.7×Interest coverage (EBIT/interest)2.8×
1.10×Debt / equity0.34×
$25BMarket cap$6B
weakGrowth qualityexpensive

Northam Platinum Holdings leads: 4 to 10 metric wins.

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.

PT Amman Mineral Internasionalof which business quality 25 · market factors 32 Northam Platinum Holdingsof which business quality 49 · market factors 50
ProfitabilityMargins and returns on capital today
25
27
Quality GrowthAre margins and returns improving?
5
26
CashflowEarnings quality: real cash, not paper profit
0
42
Fin. StrengthBalance sheet, leverage, solvency risk
46
63
InvestmentDisciplined investing over empire-building
9
71
Low VolatilityCalm price path (market factor)
50
34
MomentumPrice trend over the last 3–12 months (market factor)
31
49
52W MomentumDistance to the 52-week high (market factor)
13
68
Net IssuanceBuybacks instead of dilution
65
75

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 familyPT Amman Mineral InternasionalPrice IDR 4,390Northam Platinum HoldingsPrice ZAR 321
Earnings-Based-88%below the priceIDR 511-82%below the priceZAR 58.67
Dividend Discountn/a-95%below the priceZAR 14.81
Multiples-77%below the priceIDR 1,021-74%below the priceZAR 84.50
Asset-Based-81%below the priceIDR 851-83%below the priceZAR 54.70
Economic Profit-83%below the priceIDR 766-81%below the priceZAR 60.93
Growth Earnings-84%below the priceIDR 681-76%below the priceZAR 78.26
Minimum-88%below the priceIDR 511-95%below the priceZAR 14.81
Maximum-77%below the priceIDR 1,021-74%below the priceZAR 84.50
Median-83%below the priceIDR 766-81%below the priceZAR 59.80
Geometric mean-83%below the priceIDR 746-84%below the priceZAR 51.72

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.

Northam Platinum Holdings: 16 of 16 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.

PT Amman Mineral Internasional
Bear IDR 766Fair Value IDR 1,021Bull IDR 1,277
IDR 4,390 = current price (white tick)
Northam Platinum Holdings
Bear ZAR 48.21Fair Value ZAR 64.28Bull ZAR 80.35
ZAR 321 = current price (white tick)

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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

Quality score26 · bottom 25%
Fair value upside-77% · bottom 25%

Northam Platinum Holdings · Materials

Quality score52 · above median
Fair value upside-80% · bottom 25%

Bottom line

As of Sep 5, 2026, Fair Value Calculator sees PT Amman Mineral Internasional as the less overvalued of the two: PT Amman Mineral Internasional trades at IDR 4,390 versus a fair value of IDR 1,021 (-77%), while Northam Platinum Holdings trades at ZAR 321 versus ZAR 64.28 (-80%).

Northam Platinum Holdings has the higher quality score (52/100).

See the full analysis →
PT Amman Mineral Internasional · Northam Platinum Holdings

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A model-based valuation snapshot from 26 models. Values change with price and fundamentals; the date shown above applies.