Blending Dynamic Strategies to Reduce Drawdown and Improve Returns

"The goal of investing is not to maximize return. It is to maximize the probability of achieving your financial objectives without catastrophic loss along the way."

1. Why This Matters

Most investors are told that drawdowns are temporary — that markets always recover and patience is rewarded. What they are not told is how long that recovery takes, what happens to their standard of living during the wait, and how inflation silently compounds the damage while they sit underwater.

An investor who retired in 2000 with a balanced portfolio experienced three major drawdowns in twenty-two years. Each time, the conventional advice was to "stay the course." But for someone withdrawing 4% annually — a rate that becomes 6% or more when food, energy, and healthcare inflation are honestly accounted for — staying the course means selling assets at depressed prices to fund living expenses.

The math is unforgiving: a 50% drawdown requires a 100% gain just to break even, and that gain must occur while the investor is simultaneously liquidating shares.

2. The Two Strategies

2.1 Adaptive 8A — Cross-Asset Momentum with Risk Parity

The Adaptive 8A strategy selects the top 8 assets from a diversified universe of 22 ETFs spanning U.S. equities, international equities, bonds, commodities, and real estate. Selection is based on 3–6 month price momentum. Position sizes are determined by inverse volatility weighting (risk parity): lower-volatility assets receive larger allocations, creating a naturally risk-balanced portfolio.

When market conditions deteriorate, the strategy shifts defensively into bonds, cash equivalents, and low-volatility assets. This adaptive behavior has historically limited drawdowns to approximately 10–11% even during periods when the S&P 500 declined by more than 50%.

2.2 T20 — Equity Momentum (Top 20 Stocks)

The T20 strategy applies the same momentum principle within the equity market. It ranks all stocks in the largest 1,000 global equities traded in the U.S. by price momentum and concentrates capital in the 20 strongest-trending names. Unlike the 8A, the T20 does not rotate into defensive asset classes — it is a pure equity strategy that participates aggressively in bull markets.

3. Why They Work Together

The 8A profits from cross-asset momentum and volatility management. Its primary strength is drawdown protection: when equities collapse, it rotates into bonds or cash. Its primary limitation is that during strong equity bull markets, it may underperform a fully-invested stock portfolio.

The T20 profits from within-equity momentum. Its primary strength is upside capture: during bull markets, it delivers returns well above the broad market. Its primary limitation is that it offers no protection during equity bear markets.

When equities are rising strongly, T20 contributes outsized returns while 8A provides a stable base. When equities falter, 8A rotates to bonds, commodities, or cash and limits the damage — while T20's losses are diluted by the 8A's defensive positioning.

4. The Full Spectrum: Fixed Blends

5. The Dynamic Approach: Regime-Switching Blends

The fixed blends maintain a constant allocation regardless of market conditions. The dynamic approach goes further: it uses the 8A model's own behavior as a regime signal. When the 8A is fully invested in non-cash assets, conditions are favorable — the portfolio runs the blended strategy for growth. When the 8A begins shifting to cash and bonds, the portfolio moves entirely to the defensive 8A sleeve to protect capital.

6. Efficient Frontier: Static vs. Dynamic

7. Real-World Impact: Three Investor Scenarios

8. How the Regime Signal Works

The signal is not intended to forecast markets — it is designed to measure deteriorating conditions in real time. When the 8A model's own momentum and volatility filters cause it to shift heavily into cash and bonds, that behavior itself indicates deteriorating market conditions.

9. Best Suited for Tax-Advantaged Accounts

Both strategies rebalance monthly, which generates significant short-term capital gains in taxable accounts. These strategies are generally most appropriate for tax-qualified accounts:

• Traditional IRAs and IRA Rollovers— Taxes are deferred until withdrawal.
• Roth IRAs and Roth Conversions— Qualified withdrawals are entirely tax-free, making Roth accounts ideal for higher-return strategies.
• 401(k) and 403(b) Plans— Where self-directed brokerage options are available.

10. Extended Backtesting: 154 Years of Evidence

The core momentum rotation concept has been tested across 154 years of market history using reconstructed data from Robert Shiller's dataset (U.S. equities from 1871), government bonds, cash equivalents, and gold (from 1971). The "1 of N" pure momentum variant delivered 11.2% CAGR over this period, outperforming the S&P Composite's 9.3% with a maximum drawdown of −24.6% versus the S&P's −81.8%.

References

1. Lusk, P. (2026).Persistent Coincidental Prediction: Momentum Signals Across 154 Years of Market Data.Acanto LLC Research Paper.
2. Lusk, P. (2026).Equity Momentum Unpacked: A Systematic Framework for U.S. Stock Selection.Acanto LLC Research Paper.
3. Maillard, S., Roncalli, T., and Teïletche, J. (2010). "The Properties of Equally Weighted Risk Contribution Portfolios."The Journal of Portfolio Management, 36(4), 60–70.
4. Jegadeesh, N. and Titman, S. (1993). "Returns to Buying Winners and Selling Losers."The Journal of Finance, 48(1), 65–91.