Saia Stock: 6 Straight Red Days, Down 19%
A persistent slide in the stock has drawn attention, but the underlying numbers present a complicated picture for investors to weigh.
Saia (SAIA) stock has now moved lower for 6 consecutive trading days, resulting in a cumulative loss of 19%. That streak has erased about $2.1 billion from the company’s market value, which now stands at about $9.3 billion.
This recent decline marks a sharp turn for the stock. While it has returned -22.5% over the trailing three months, its return over the trailing twelve months remains positive at +14.9%.
How The Streak Stacks Up Against The S&P 500
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Here is how SAIA stock stacks up against the S&P 500 over the streak and the periods around it:
| Return Period | SAIA | S&P 500 |
|---|---|---|
| 1D | -0.9% | 0.7% |
| 6D (Current Streak) | -18.5% | 1.1% |
| 1M (21D) | -16.9% | 0.1% |
| 3M (63D) | -22.5% | 3.9% |
| YTD 2026 | 6.5% | 9.4% |
| 2025 | -28.4% | 16.4% |
| 2024 | 4.0% | 23.3% |
| 2023 | 109.0% | 24.2% |
Is the valuation catching up to the fundamentals?
The market’s broader trend does not explain this move; over the same 6 trading days, the S&P 500 returned +1.1%. The data suggests investors may be weighing the company’s premium valuation against its performance relative to peers. SAIA trades at a price-to-earnings multiple of 33.5, versus an S&P 500 median of 23.9.
This higher multiple comes alongside fundamentals that trail the index medians. Its operating margin over the last twelve months is 11.0%, compared to the S&P 500 median of 18.4%. LTM revenue growth of 4.8% is also below the median of 7.8%. For context, losing streaks are not unusual right now: 88 S&P 500 stocks are on losing streaks of 3 days or more, while 18 are on winning streaks.
A streak is a signal, not a strategy.
A multi-day move like this is information. It signals a shift in momentum and investor focus, but it does not provide an instruction to buy or sell. The disciplined response is to revisit the underlying business fundamentals against the new, lower price.
The data on valuation, growth, and profitability offers a clear starting point for that assessment. The essential question is whether the business’s prospects justify the price the market is currently offering.
If the drop has you weighing an entry, resist buying a falling price alone. Our Buy the Dip screen ranks the marked-down names where growth and cash generation still support a recovery.
Prefer the theme to this single name? A U.S. transportation ETF like IYT owns the whole group. It is still a concentrated bet on that one theme, though, which is exactly the gap the portfolio below closes.
Weakness In One Name Should Be Noise, Not News
For a diversified holder, a streak like this is a data point. For a concentrated one, it is a hole in the plan. The difference is never the stock; it is the portfolio built around it.
Building that portfolio is what the Trefis High Quality (HQ) Portfolio does: roughly 30 businesses with the cash generation and balance-sheet strength to absorb a bad month, selected and rebalanced by rules. It has a track record of outpacing a benchmark that combines the three major indices – the S&P 500, S&P Mid-cap, and Russell 2000. Make the next streak, in either direction, someone else’s drama.