Every investor has a plan until the market drops 20%. Then the emails from your broker go unopened, the financial news becomes unbearable, and the temptation to sell everything and sit in cash becomes overwhelming. This is not a character flaw—it is human psychology operating exactly as evolved. The problem is that acting on it destroys returns.
According to Dalbar’s annual study of investor behavior, the average equity fund investor has underperformed the S&P 500 by roughly 3–4% per year over the past 30 years. Not because they picked bad funds, but because they bought after rallies and sold after crashes. The gap between “investment returns” and “investor returns” is almost entirely explained by emotional decision-making under stress.
If you have felt the urge to abandon your portfolio strategy during the current market turbulence, you are in good company. But the solution is not more willpower. It is removing the decision from your hands entirely.
Why “Stay the Course” Is Not Enough
The standard advice during market downturns is simple: do nothing. Stay invested. Ride it out. And over very long time horizons, this advice is statistically correct—markets have always recovered eventually.
But this advice has two serious blind spots:
- It assumes you can actually do it. Behavioral finance research consistently shows that most investors cannot sit through a 30–50% drawdown without making changes. The ones who claim they can often have not been tested by a truly painful decline in a portfolio large enough to matter.
- It ignores sequence-of-returns risk. If you are within 5–10 years of retirement or already withdrawing, a major drawdown at the wrong time can permanently impair your financial plan. “It will recover eventually” is cold comfort when you need the money in 3 years.
The 2022 bear market exposed another problem: the traditional diversification playbook failed. Bonds and equities fell together. The 60/40 portfolio—the bedrock of “stay the course” advice—had its worst year in decades. Investors who thought they were diversified discovered they were simply exposed to two correlated sources of loss.
The Real Problem: Discretionary Decisions Under Stress
The core issue is not that investors make changes during downturns. It is that they make discretionary changes—driven by fear, headlines, and gut feelings rather than by data.
Consider what happens in a typical market correction:
- Markets decline 10–15%. Investor feels uncomfortable but holds.
- Decline deepens to 20–25%. News coverage becomes apocalyptic. Investor starts checking portfolio daily.
- A particularly bad week pushes the decline past 30%. Investor sells “to protect what is left.”
- Markets stabilize and begin recovering. Investor waits for “confirmation” before re-entering.
- By the time the investor feels safe enough to buy back in, markets have recovered 15–20% from the bottom.
The result: the investor experienced most of the drawdown but missed most of the recovery. This is the behavior gap in action, and it is devastatingly consistent across decades of market data.
How Rules-Based TAA Removes the Emotional Trigger
Tactical asset allocation solves this problem by replacing discretionary decisions with predetermined rules. You are not deciding whether to sell or hold based on how you feel. The signal decides.
A typical TAA rule might be:
“If the S&P 500 closes below its 10-month simple moving average at month-end, move to intermediate-term Treasury bonds. If it closes above, hold equities.”
This is not a prediction. It is a mechanical response to observable price data. When the trend is positive, you are invested. When the trend breaks down, you step aside. The critical difference from panic selling is that the exit happens early and systematically—typically within the first 10–15% of a major decline, rather than near the bottom after 30–40% of damage has been done.
Equally important, the re-entry is also systematic. You do not need to overcome the psychological barrier of buying back into a market that still “feels” dangerous. The signal tells you when the trend has turned positive, and you execute.
What a Trend Signal Actually Looks Like in a Crisis
Let us look at how a simple 10-month moving average signal performed during three recent crises:
COVID Crash (February–March 2020)
- S&P 500 peak-to-trough decline: −34%
- Signal triggered exit at end of February 2020 (after a −8% monthly decline)
- Signal triggered re-entry at end of May 2020
- Investor using the signal experienced roughly −8% instead of −34%, then captured the recovery from May onward
2022 Bear Market
- S&P 500 peak-to-trough decline: −25%
- Signal triggered exit at end of February 2022
- Investor sat in Treasury bonds for most of 2022, missing the grind lower
- Signal re-entered in early 2023, capturing the subsequent rally
2025–2026 Market Crisis
- Markets declined sharply as trade wars escalated into tariff shocks, followed by a military conflict between the US/Israel and Iran that sent oil prices surging and risk assets tumbling
- Momentum signals deteriorated in early 2025, moving tactical portfolios toward defensive assets (Treasury bonds, gold, cash)
- Investors following systematic signals avoided the worst of the drawdown while those relying on “stay the course” watched portfolios sink
No signal is perfect—there are whipsaws, false signals, and periods where the strategy underperforms buy-and-hold. But the key insight is that you do not need to be right every time. You only need to avoid the catastrophic drawdowns that cause permanent behavioral damage.
Blending Strategies to Reduce Whipsaws
A single trend-following signal will inevitably produce false exits and re-entries in choppy, range-bound markets. This is the most common criticism of TAA, and it is valid.
The solution is not to abandon the approach but to diversify across multiple uncorrelated strategies. Just as you diversify across asset classes, you can diversify across signal types:
- Absolute momentum (is the asset trending up or down?)
- Relative momentum (which asset is strongest?)
- Dual momentum (combines both—e.g., GEM, ADM)
- Risk parity (equalizes risk contribution across assets)
- Canary signals (uses leading indicators as early warnings)
When one strategy whipsaws, another may hold steady. The combined portfolio produces smoother returns, fewer false signals, and a more investable experience. Research consistently shows that a blend of 3–4 low-correlation TAA strategies outperforms any single strategy on a risk-adjusted basis.
The Real Edge: Staying Invested When Others Cannot
The most underappreciated benefit of systematic TAA is not the signal accuracy or the drawdown reduction. It is the psychological sustainability.
When you know your portfolio has a mechanism to respond to deteriorating conditions, you do not panic. When a 15% correction hits, you do not lie awake wondering whether to sell. Either your signal has already moved you to safety, or it has not triggered— which means the trend is still intact and you should remain invested.
This transforms the investor experience from one of constant anxiety to one of disciplined execution. You check your signals once a month, make the prescribed trades, and move on with your life. The emotional energy that most investors waste on worry and second-guessing is simply eliminated.
In volatile markets like the one we are living through right now, this is not just a nice-to-have. It is the difference between an investor who compounds wealth over decades and one who locks in losses at the worst possible moment.
Getting Started
If the current market turbulence has you questioning your strategy, consider whether the real problem is the market—or the fact that your strategy has no mechanism to adapt to it.
BestFolio tracks 38+ tactical asset allocation strategies with full backtests going back 30+ years. You can compare how each one performed during every major crisis, see what they are signaling right now, and build a blended portfolio tailored to your risk tolerance.
The next crisis is coming. The question is whether you will face it with a plan or with your emotions.