In a quiet corner of the second market of Farabourse (Iran's over-the-counter exchange), the ticker Karbon (Kani Karbon Tabas) trades as a coal-mining company, one that rarely appears in headlines or in analysts' baskets. Yet when you line up the numbers, an unusual picture emerges: today's closing price (Monday, July 13, 2026) is 5,960 rials, its price-to-earnings ratio (P/E) is about 5.1 versus a coal-mining sector average of 21.8, and its earnings yield is close to 20%. Most importantly, much of the 56% fall visible on the chart is not a real decline but the effect of price adjustment following two corporate actions.
Why Karbon Is a Genuine Underdog
Three criteria mark a stock as overlooked, and Karbon meets all three. First, low trading value: today's turnover was about 7.3 billion tomans, and the five-day average volume is near 9.5 million shares, keeping the ticker below the radar of large liquidity flows. Second, its place on Farabourse's second market, where analytical coverage is very thin. Third, and the most telling sign, the pricing gap with its peers: the whole coal-mining group trades at an average P/E of about 21.8, while Karbon itself sits at 5.1.
Put simply, the market is willing to pay about 22 rials for each rial of the coal group's average earnings, but only about 5 rials for each rial of Karbon's earnings. Framed as a discount to the sector (one minus the ratio of 5.1 to 21.8), that is roughly a 77% discount. This gap must either be justified by a fundamental reason (real risk) or it is a mispricing opportunity; we examine both sides below. For a refresher on basics like tickers, the index, and price limits, see the Sahmino learning hub.
Fundamentals and Market Capitalization
| Item | Value |
|---|
| Closing price | 5,960 rials |
| Last trade | 6,050 rials |
| Previous close | 6,090 rials |
| Shares outstanding | 2,500,000,000 (2.5 billion) |
| Market cap | 14,900 billion rials (about 1.49 "hamat") |
| Earnings per share (analytical EPS) | 1,179 rials |
| Stock P/E | 5.1 |
| Sector P/E | 21.8 |
| Earnings yield | 20% |
| One-year low to high | 4,800 to 13,590 rials |
Market cap is price times shares: 5,960 rials multiplied by 2.5 billion shares equals about 14,900 billion rials, or roughly 1.49 "hamat" (a hamat is one thousand billion tomans, a common Iranian unit for large sums). For scale, the dollar traded near 179,790 tomans on the same date, so this company's entire market cap equals about 83 million dollars, placing it firmly among small-cap companies. You can follow the day's exchange rate and the live quote on the Karbon price page on Sahmino.
The earnings yield is simply the inverse of the P/E: dividing earnings per share (1,179 rials) by the price (5,960 rials) gives close to 20%. That means if the company distributed all of its profit and earnings stayed flat, today's buyer would earn about a 20% nominal yield per year, a figure that must be weighed against the risk-free rate and inflation.
The Heart of the Matter: Price Adjustment and Why the Chart Deceives
If you open Karbon's unadjusted price chart, you see two large "crashes": one around June/July 2025 and one around June 2026. But these are not market sell-offs; they are price adjustments due to corporate actions. The trading system records an adjustment factor (k) for each event:
- First event, June 15, 2026: the unadjusted close before the event was 7,422 rials and the adjusted close was 6,030 rials, meaning a factor of about 0.8124 and a base drop near 18.8% (a combination of a capital increase and a dividend approved at the general meeting).
- Second event, June 28, 2025: the unadjusted close before the event was 14,680 rials and the adjusted close was 13,200 rials, meaning a factor of about 0.8992 and a base drop near 10.1%.
To compare today's price correctly with the price several periods ago, we must apply both events together; the cumulative adjustment factor is the product of the two factors, 0.8124 times 0.8992, which comes to about 0.7305. A practical example makes this clear: suppose the raw price before the first event was about 13,370 rials. That number cannot be compared directly with today's price; its comparable (adjusted) value is 13,370 times 0.8124, or about 10,862 rials. So a "fall from 13,370 to 5,960" is in reality a "fall from 10,862 to 5,960"; there is still a decline, but part of it was merely a redistribution of value, not its destruction. A shareholder who took part in the capital increase or received the cash dividend recouped that "drop" elsewhere (new shares or cash).
The practical takeaway for the reader: always adjust the price series before doing technical analysis or computing historical returns; otherwise your indicators and returns suffer artificial breaks. We saw the same logic earlier in the heavy capital increase at Akhabor (Telecommunication Company of Iran) and Karmasha (Kermanshah Petrochemical), where a single corporate action reshaped how the numbers looked.
Valuation as a Range, Not a Single Number
To be honest, we present value with several methods and as a range. The first method is a justifiable P/E multiple: if the stock drifts toward a more reasonable ratio (still conservative and below the sector average), fair value is EPS times the target P/E.
| Target P/E | Fair value (rials) | Versus 5,960 |
|---|
| 6x | 7,074 | +19% |
| 7x | 8,253 | +38% |
| 8x | 9,432 | +58% |
Even at a conservative P/E of 6, still less than a third of the sector's P/E, the stock is valued above its current price. But the other side of the coin matters too. In the expected-return method (a no-growth Gordon model), value equals earnings divided by the required rate of return; if we set that rate high in line with Iran's inflation and interest (30% to 40%) and assume zero earnings growth, fair value falls to a range of 2,900 to 3,900 rials, even below the current price. By contrast, if in a Gordon growth model we assume earnings grow at a nominal 15% to 20% (in step with inflation and coal prices), fair value lands in the 6,800 to 9,400 rial range.
The valuation summary is clear: in the optimistic scenario (earnings growing with inflation) there is 14% to 58% upside, and in the pessimistic scenario (no earnings growth and a high discount rate) there is downside risk of about 50%. The break-even point is that at the current price the market has effectively bet on a "near-zero earnings growth" scenario; the entire investment thesis turns on whether Tabas coal can grow its earnings at least in step with inflation. This part, unlike the figures above, is an analytical estimate and carries no certainty.
Risks: Why the P/E Gap May Be Justified
For balance, we state plainly the possible reasons the stock is cheap. Low liquidity alone creates a discount, because moving large capital in and out of a ticker with this trading volume is difficult. Corporate-governance ambiguity is also relevant; Codal (Iran's corporate disclosure system) records correspondence about a lack of transparency in the financial position of a group company related to a check guarantee, which should be reviewed before any decision. On top of this, the frequent nature of corporate actions (two adjustments in two years) complicates analysis, profitability is tied to the price of coal and to steelmakers' demand, and finally the EPS figure is an analytical estimate rather than a definitive number.
What to Watch
Three signals are worth following: first, the trend in trading value and the ticker's liquidity, which determines whether liquidity flows reach this underdog; second, any new general meeting or capital increase that will again adjust the base price and must be reflected in the price series; and third, the path of global coal prices and steel-chain demand, which drive the mine's profitability. The Sahmino events calendar and the ticker's price page are two simple tools for tracking these signals.
This report is a data-driven, educational analysis and is not a buy or sell recommendation. The figures were extracted on July 13, 2026 and may change. Investment decisions rest with the reader and require reviewing full financial statements and consulting a licensed advisor.
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