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Overview of the TQQQ + TMF Strategy

Combining TQQQ (NASDAQ100 Bull 3x) and TMF (20+ Year Treasury Bull 3x) at a fixed ratio with periodic rebalancing is known in the leveraged ETF community as 'HFEA (Hedgefundie's Excellent Adventure).' The typical allocation is 55% TQQQ + 45% TMF, rebalanced monthly or quarterly.

The strategy's core exploits the negative correlation between stocks and long-term treasuries. During stock crashes, 'flight to quality' drives treasury purchases, pushing TMF higher. When stocks perform well, treasuries are sold and TMF declines, but TQQQ's gains more than compensate.

Rebalancing creates a 'contrarian effect' by selling winners and buying losers. This phenomenon, called volatility harvesting, boosts compound returns.

Theoretical Foundation - Modern Portfolio Theory Connection

Modern Portfolio Theory (MPT) states that combining low-correlation assets can reduce risk (volatility) while maintaining returns. Portfolios on the efficient frontier provide maximum return for a given risk level.

The TQQQ + TMF strategy applies this theory to leveraged products. TQQQ alone has annualized volatility of 60-70%, but combining with TMF can reduce this to 40-50%. Volatility reduction is especially important for leveraged ETFs because decay is proportional to sigma-squared; a 30% volatility reduction cuts decay by approximately 50%.

However, MPT assumes normal distributions and tends to underestimate tail risks. In environments like 2022 where stocks and bonds decline simultaneously, MPT's assumptions break down and diversification benefits vanish.

How Rebalancing Affects Compounding

Demonstrating rebalancing's compound effect concretely: suppose TQQQ gains +50% and TMF loses -20% in a quarter. With 55/45 allocation, quarter-end weights shift to TQQQ 68% / TMF 32%. Rebalancing sells TQQQ and buys TMF to restore 55/45.

If the following quarter brings TQQQ -30% and TMF +25%: without rebalancing, TQQQ 68% x 0.7 + TMF 32% x 1.25 = 47.6% + 40% = 87.6% (= -12.4%). With rebalancing, TQQQ 55% x 0.7 + TMF 45% x 1.25 = 38.5% + 56.25% = 94.75% (= -5.25%). Rebalancing reduced losses by over 7%.

This 'volatility harvesting' effect grows stronger with lower inter-asset correlation and higher volatility. Since leveraged ETFs have extremely high volatility, rebalancing effects are substantial. Some research suggests 2-5% annual return improvement.

10-Year Backtest Results (2013-2023)

Over 2013-2023, the TQQQ 55% + TMF 45% (monthly rebalancing) backtest produced: approximately +35% annualized return, roughly +2,000% cumulative, -65% maximum drawdown (2022), and approximately 0.8 Sharpe ratio.

For comparison, the S&P 500 alone delivered approximately +12% annualized, +220% cumulative, -34% maximum drawdown, and 0.9 Sharpe ratio over the same period. The TQQQ + TMF strategy overwhelmingly outperforms on returns but has deeper drawdowns and a lower Sharpe ratio.

Compared to TQQQ alone (approximately +40% annualized, +3,500% cumulative, -79% maximum drawdown), adding TMF reduced maximum drawdown from -79% to -65% while also reducing returns. On a risk-adjusted basis, TQQQ + TMF is superior.

The 2022 Problem - When Stocks and Bonds Crash Together

2022 was the worst year for the TQQQ + TMF strategy. Rapid Fed rate hikes caused stocks (TQQQ -79%) and long-term treasuries (TMF -73%) to crash simultaneously. The premise of negative stock-bond correlation completely collapsed, reducing diversification benefit to zero.

The 55/45 portfolio lost -65% in 2022. Better than TQQQ alone's -79%, but the expectation that 'TMF hedges' was betrayed. Monthly rebalancing meant continuously buying more of the declining TMF each month, amplifying losses.

This experience exposed the strategy's fundamental weakness. During inflationary periods, the Fed raises rates, causing stock-bond correlation to turn positive. A similar phenomenon was observed during 1970s stagflation. 'Stocks and bonds move inversely' is not an immutable law.

Optimizing Allocation Ratios

The optimal TQQQ/TMF ratio varies dramatically depending on the backtest period. For 2013-2021 (declining rate trend), higher TMF ratios improved Sharpe ratios, with 40/60 near optimal. Including 2022, higher TMF ratios amplified losses, making 60/40 or 70/30 more favorable.

Generally recommended allocations range from 55/45 to 60/40. Higher TQQQ ratios increase returns but deepen drawdowns. Higher TMF ratios increase stability but create vulnerability during rate-rising environments.

Regarding rebalancing frequency, monthly and quarterly show minimal difference. Daily rebalancing incurs excessive transaction costs; annual allows too much drift. Monthly is the most common practical balance. Portfolio theory books covering Modern Portfolio Theory fundamentals are essential for understanding this strategy.

Strategy Limitations and Caveats

The strategy's greatest limitation is unstable stock-bond correlation. Over the past 20 years, correlation was generally negative, but inflationary periods flip it positive. Depending on future inflation dynamics, the strategy's premise could break down long-term.

Additionally, few investors can endure -65% drawdowns. Even knowing theoretically that 'it recovers long-term,' continuing to rebalance when assets have shrunk to one-third requires extraordinary mental fortitude. Most investors abandon the strategy near the bottom, locking in losses.

If implementing this strategy, limit it to a portion (20-30%) of your total portfolio, with the remainder in an unleveraged diversified portfolio. Committing all assets to TQQQ + TMF means taking on mentally and financially unbearable risk during years like 2022.