Introduction
Every time the S&P 500 pokes its head into a new all-time high, it grabs headlines. But does that record pave the way for more upside, or is it often a warning shot before a pullback?
From January 2020 through June 2025—an era of easy liquidity and high-frequency trading dominance—we tracked every new all-time high and measured what the market did in the days and weeks that followed. Here’s what we found.
1. Average Returns After an Intraday Record
| Horizon (trading days) | Avg Return (%) |
|---|---|
| 3 | +0.02 |
| 5 | +0.07 |
| 10 | −0.11 |
| 20 | −0.28 |
| 60 | +1.00 |
Insight: Early momentum fades fast—three- and five-day returns after an intraday peak are effectively flat. By 60 days there’s a modest +1.0% average gain, but the path can be rocky.
2. Extreme Single-Run Moves
| Horizon | Best Gain (%) | Worst Loss (%) |
|---|---|---|
| 3 days | +2.79 | −6.95 |
| 5 days | +3.26 | −7.97 |
| 10 days | +6.10 | −12.44 |
| 20 days | +6.01 | −29.18 |
| 60 days | +9.47 | −23.50 |
Insight: While some record-high launches went onto gain nearly 10% over three months, others tumbled nearly 30% in a short time frame. The risk of chasing new highs can be substantial.
3. The Longest Winning Streak
- Length: 9 straight trading days
- From: August 21, 2020
- To: September 2, 2020
Insight: In late summer 2020, the index set new intraday highs nine days in a row—proof that strong momentum periods still exist, even amid high-frequency noise.
4. The Longest Drought
- Length: 511 trading days
- From: January 4, 2022 (last intraday high)
- To: January 19, 2024 (next intraday high)
Insight: Even in a bull market, fresh intraday peaks can dry up for years—this two-year stretch spanned rate hikes, volatility spikes, and geopolitical shocks.
5. Key Takeaways
- Short-Term Flatness: New intraday highs rarely produce quick follow-through—three-day returns average just +0.02%.
- Volatility Lurks: Worst-case drawdowns post-high can exceed −29% over 20 days, so risk controls are essential when chasing peaks.
- Streaks & Droughts: Powerful momentum runs (9 days in 2020) sit alongside multi-year gaps (2022–2024)—recognize the market’s rhythm before deciding when to jump in or stand aside.
Conclusion
Intraday record highs are compelling signals, but they’re far from foolproof. By understanding both the average outcomes and the extremes—and by noting how long streaks and droughts can last—you’ll be better equipped to decide whether to ride the wave or wait for a cleaner entry.
Leave a Reply