Trina Solar Co vs First Solar: Fair Value & Quality
Both stocks run through our valuation models. Here is how Trina Solar Co (688599) and First Solar (FSLR) compare, as of Sep 5, 2026.
Head-to-head numbers
Green value = the better side for that row (for valuation multiples: lower = cheaper).
First Solar leads: 4 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.
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 | Trina Solar CoPrice ¥11.25 | First SolarPrice $207 |
|---|---|---|
| DCF Models | ▲+113%above the price¥23.97 | ▲+123%above the price$463 |
| Earnings-Based | n/a | ▲+50%above the price$310 |
| Multiples | ●-1%close to the price¥11.12 | ▲+53%above the price$318 |
| Asset-Based | ▼-45%below the price¥6.14 | ▼-71%below the price$59.47 |
| Growth DCF | ▲+112%above the price¥23.85 | ▲+68%above the price$348 |
| Economic Profit | n/a | ●-3%close to the price$202 |
| Growth Earnings | n/a | ▲+127%above the price$471 |
| Minimum | ▼-45%below the price¥6.14 | ▼-71%below the price$59.47 |
| Maximum | ▲+113%above the price¥23.97 | ▲+127%above the price$471 |
| Median | ▲+55%above the price¥17.48 | ▲+53%above the price$318 |
| Geometric mean | ▲+25%above the price¥14.06 | ▲+27%above the price$264 |
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%.
Trina Solar Co: 2 of 7 models see the stock below the current price.
First Solar: 3 of 24 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
Tap a field and type again, ticker or company name.
Ranked within their sector
Where each stock sits within its sector peer group. Band = middle 50% of peers, tick = median, dot = this stock.
Trina Solar Co · Information Technology
First Solar · Information Technology
Bottom line
As of Sep 5, 2026, Fair Value Calculator sees First Solar as the more attractively valued of the two: Trina Solar Co trades at ¥11.25 versus a fair value of ¥7.97 (-29%), while First Solar trades at $207 versus $392 (+89%).
First Solar has the higher quality score (65/100).
See the full analysis →More comparisons
Popular match-ups from the same sectors, all with fair value and quality score.
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.