EN DE
STOCK COMPARISON

PT Amman Mineral Internasional vs PT Merdeka Battery Materials: Fair Value & Quality

Both stocks run through our valuation models. Here is how PT Amman Mineral Internasional (AMMN) and PT Merdeka Battery Materials (MBMA) 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 PT Merdeka Battery Materials trades at IDR 520 versus IDR 82 (-84%).
PT Amman Mineral Internasional
AMMN.JK · IDR · Materials
-77%
upside to fair value
overvalued
PriceIDR 4,390
Fair ValueIDR 1,021
Quality26/100
PT Merdeka Battery Materials
MBMA.JK · IDR · Materials
-84%
upside to fair value
overvalued
PriceIDR 520
Fair ValueIDR 82
Quality39/100
Get comparisons like this free by email every month: the most undervalued quality stocks.

Head-to-head numbers

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

PT Amman Mineral InternasionalPT Merdeka Battery Materials
Valuation
24.0×P/E (TTM)50.2×
9.58×P/S (TTM)3.72×
4.76×P/B3.58×
20.7×EV/EBITDA17.1×
−76.7%Fair value upside−84.1%
Profitability
39%Operating margin25%
1.38×EBIT margin trend (5Y)1.36×
10%Return on equity7%
5%Return on assets4%
Growth
379%Revenue growth (YoY)24%
-13.6%Avg. growth/yr (3Y)—
12.7%Avg. growth/yr (5Y)—
+0.9%Value creation/yr+62.2%
Balance & size
1.7×Interest coverage (EBIT/interest)6.4×
1.10×Debt / equity0.45×
$25BMarket cap$6B
weakGrowth qualitymixed

PT Merdeka Battery Materials leads: 5 to 7 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 PT Merdeka Battery Materialsof which business quality 38 · market factors 43
ProfitabilityMargins and returns on capital today
25
18
Quality GrowthAre margins and returns improving?
5
38
CashflowEarnings quality: real cash, not paper profit
0
18
Fin. StrengthBalance sheet, leverage, solvency risk
46
59
InvestmentDisciplined investing over empire-building
9
22
Low VolatilityCalm price path (market factor)
50
46
MomentumPrice trend over the last 3–12 months (market factor)
31
45
52W MomentumDistance to the 52-week high (market factor)
13
38
Net IssuanceBuybacks instead of dilution
65
81

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 4,390PT Merdeka Battery MaterialsPrice IDR 520
Earnings-Based-88%below the priceIDR 511-84%below the priceIDR 82
Multiples-77%below the priceIDR 1,021-84%below the priceIDR 82
Asset-Based-81%below the priceIDR 851-84%below the priceIDR 82
Economic Profit-83%below the priceIDR 766-84%below the priceIDR 82
Growth Earnings-84%below the priceIDR 681n/a
Minimum-88%below the priceIDR 511-84%below the priceIDR 82
Maximum-77%below the priceIDR 1,021-84%below the priceIDR 82
Median-83%below the priceIDR 766-84%below the priceIDR 82
Geometric mean-83%below the priceIDR 746-84%below the priceIDR 82

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.

PT Merdeka Battery Materials: 7 of 7 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)
PT Merdeka Battery Materials
Bear IDR 62Fair Value IDR 82Bull IDR 103
IDR 520 = current price (white tick)

Compare two other stocks

Tap a field and type again, ticker or company name.

Free, no sign-up

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%

PT Merdeka Battery Materials · Materials

Quality score39 · below median
Fair value upside-84% · 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 PT Merdeka Battery Materials trades at IDR 520 versus IDR 82 (-84%).

PT Merdeka Battery Materials has the higher quality score (39/100).

See the full analysis →
PT Amman Mineral Internasional · PT Merdeka Battery Materials

More comparisons

Popular match-ups from the same sectors, all with fair value and quality score.

Related to PT Amman Mineral Internasional

Alphabet Inc Class C vs Verizon CommunicationsAlphabet Inc Class C vs At&tAlphabet Inc Class C vs NetEaseAmazon.com vs PDD Holdings

Related to PT Merdeka Battery Materials

Amazon.com vs Sony GroupMeta Platforms vs Verizon CommunicationsMeta Platforms vs At&tMeta Platforms vs NetEase
Free · Top-25 report

See the undervalued quality stocks every month

Just your email for the monthly Top-25 report of the most undervalued quality stocks, with fair value, quality and price target. Plus 14 days of Pro to try, no card.

Free. You confirm by email (double opt-in) and can unsubscribe anytime in one click. Not financial advice.

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