AILLN vs SO: Which Is the Better Dividend Stock?
As of September 2026, SO (The Southern Company) screens as the stronger dividend stock, winning 4 of 7 head-to-head metrics. AILLN offers the higher yield at 6.36%, SO has the higher dividend-safety score, and AILLN trades at the larger discount to fair value (+27%).
| Metric | AILLN | SO |
|---|---|---|
| Forward yield | 6.36% | 3.46% |
| Annual dividend | $4.90 | $3.04 |
| Payout ratio | — | 72% |
| Years of growth | 0 yr | 25 yr |
| 5-yr dividend growth | 0.0% | 3.0% |
| 5-yr total return | -26% | 41% |
| Dividend safety score | 79 (B) | 90 (A) |
| Fair value estimate | $97.95 | $96.70 |
| Upside to fair value | +27% | +10% |
| Frequency | quarterly | quarterly |
| Market cap | — | $100.3B |
| P/E ratio | 4.4 | 21.2 |
Higher yield
AILLN
6.36%
Safer dividend
SO
Grade A
Faster growth
SO
3.0%
Better value
AILLN
+27% upside
AILLN vs SO — FAQ
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