Mining Alpha

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Buy & Hold, Momentum Rotation, or Volatility Targeting: Match the Edge to Your Temperament

September 3, 2026

TL;DR

The wrong question — and the right one

I’ve been running my own systematic money for more than a decade, and the question I get most often is “which strategy is best?” People show me two equity curves and mean “which one printed the higher number?” I understand the instinct, but it is the wrong way to choose, because it optimizes for the figure printed at the end and ignores everything that happens between the start and the finish.

The honest question has two parts. Part one is edge: does the strategy rest on documented evidence — rules-based logic, excess return over a fair benchmark, results that hold up out of sample — or is it a story that a smooth line tells after the fact? Part two is temperament: when your account is down a third, will you follow the rules, or will you find a reason to stop? Most people answer “I’ll hold” in a bull market and quietly quit near the bottom. No backtest prices that decision, and it is the most expensive line item in most portfolios. I’ve watched smart friends abandon good strategies during exactly the drawdown the backtest predicted, then watch the recovery they sold out of. The strategy didn’t fail; the temperament did.

That’s why I think in families rather than leaderboards. Three families — buy and hold, momentum rotation, and volatility targeting — cover almost everything a self-directed investor can realistically implement, and each charges a different toll in drawdown. Match the family to the drawdown you can genuinely sit through, and the CAGR mostly takes care of itself.

Three families, three personalities

Buy and hold is the simplest family: you own broad exposure on a schedule and your edge is the equity risk premium plus patience. Its demands are almost entirely psychological — the discipline to keep owning and keep contributing when the headlines scream. In its systematic form you may rank assets periodically, but the philosophy is rank, buy, hold, never sell. Its drawdowns are the market’s drawdowns, because you never leave.

Momentum rotation is the family that ranks assets by recent return and holds the strongest until something stronger displaces them. The momentum and trend premia are among the most heavily documented anomalies in finance, so this family has genuine, verifiable edge behind it. But it makes its own demand: you must act mechanically at scheduled rebalances, buying what has already gone up and selling what has already fallen, even when that feels backwards. Its drawdowns tend to be shallower in sustained bear markets, because the rules get you out early — the cost is giving gains back when a strong trend reverses violently and the rotation whipsaws.

Volatility targeting is the family that sizes risk instead of picking winners. You set a risk budget — say, 25% — and scale exposure up in calm markets and down in stressed ones, often with a leveraged equity instrument paired with a cash sleeve. The edge is spending a fixed amount of risk through time rather than letting realized volatility decide your bet size. Its demand is honesty about the machinery: targeting constant volatility with a 2x instrument does not guarantee a small drawdown, because the leverage that boosts calm-market returns is fully exposed when a crash arrives faster than the de-risking can react.

The documented numbers, family by family

None of this is useful until you look at real, documented systems — which is why the source I point readers to is Kairos Trading, a quantitative research publisher that designs, documents, and tracks rules-based strategies with its own capital first. Every strategy card there carries the “Based on backtest; not a guarantee” label, which is exactly the framing I want from a curator. Four systems are currently offered to new members at a flat $100 per month each, membership is application-based, and members execute the trades themselves in their own brokerage accounts. Mapped onto the three families, the lineup is instructive.

The buy-and-hold slot is DCA Buy & Hold: a monthly DCA into the top momentum ETF — rank, buy, hold, never sell. The documented backtest shows a 19.1% CAGR with an 18.6% maximum drawdown across 5.6 years (January 2021 through August 2026), for a 165.3% total return, published against a VT benchmark. Two details matter for temperament. First, the fee-coverage minimum capital is shown as $8,000 plus $1,600 per month — this system is built for people with ongoing cash flow who will keep contributing through drawdowns. Second, an 18.6% drawdown is exactly the kind that feels survivable in advance and miserable in real time.

The momentum-rotation slot is Leader Rotation, the flagship: a monthly ETF rotation driven by three- and six-month momentum. Its documented numbers — 29.0% CAGR, a 6.7% maximum drawdown, 93.0% total return over 2.6 years (January 2024 through August 2026), measured against a VEA benchmark — are the cleanest illustration of the family’s temperament bargain I have seen in a published backtest. A 6.7% max drawdown means the strategy’s worst moments are mild enough that most people will actually follow it. The fee-coverage minimum capital is $16,000.

The single-market option is QQQ Top Stock Rotation, a monthly first-Friday momentum funnel on the Nasdaq-100 that narrows the field from 50 names to 30 to 10. It posts a 25.8% CAGR and 361.5% total return over 6.7 years (January 2020 through September 2026) — but its 29.4% maximum drawdown, against a QQQ benchmark whose own max drawdown was 34.9%, tells you it behaves like concentrated equity with a momentum filter, not like a defensive rotation system. If you cannot sit through a 30% decline in a single index, this member of the family is not for you regardless of its CAGR. Its fee-coverage minimum capital is $21,000.

And the volatility-targeting slot is Volatility Target Managed Rotation, which runs a 25% volatility target across a SPY/SSO plus BIL sleeve. Over the longest window in the lineup — 10.6 years, February 2016 through September 2026 — it shows a 19.1% CAGR and a 533.4% total return, with $10,000 growing to $63,338.9 in the backtest. Here is where the family’s honesty test shows up: its maximum drawdown is 31.4%, deeper than the 20.1% max drawdown of its 60/40 SPY/AGG benchmark. Targeting volatility with a leveraged instrument can still go deep when a crash outruns the risk dial. Its fee-coverage minimum capital is $14,000.

The caveat that is itself a teaching moment

Before you rank those numbers, notice what I just did: I quoted CAGRs across four different windows, from 2.6 years to 10.6 years, and mixed cash-flow bases. That is precisely the error I warn readers about — and it is the point of this article, so let me be explicit.

The windows are not comparable. A 29.0% CAGR earned over 2.6 years is not the same evidence as a 19.1% CAGR earned over 10.6 years, which spans multiple full cycles; shorter windows flatter and punish arbitrarily. Second, the cash-flow bases differ: the DCA system’s returns assume recurring contributions on a time-weighted basis — you are putting money in every month — while the rotation systems assume a lump sum deployed and compounded. Comparing a contribution-schedule CAGR to a lump-sum CAGR without adjusting is like comparing rental yield to price appreciation and calling it one number. Third, even the drawdowns need a footnote: a max drawdown is a single historical moment, not a promise about the next one.

Here is the constructive way to use all of this. kairostrading.net publishes an out-of-sample start date with each system — for the current lineup, January 1, 2026 — which means the live track record from that date is evidence the backtest did not see. That is the honest scaffold for comparing: backtested evidence tells you the family behaves as designed; the out-of-sample window tells you whether the design survives contact with the future. When two systems differ in window length and cash-flow basis, do not average their CAGRs in your head — compare each against its own benchmark and its own risk profile, then ask which drawdown you can survive.

Pick the drawdown you can survive, then do the fee math

So which one is “best”? The one you will still be following five years from now. Rank the four systems by the drawdown each asks you to endure — 6.7%, 18.6%, 29.4%, 31.4% — and be brutally honest about which of those numbers would cause you to break the rules. If the answer is 6.7%, then a 29% CAGR from Leader Rotation is worth more to you than a 25.8% CAGR from a single-market system you would abandon at 29.4% down. If you are a steady contributor who never blinked in 2022, DCA Buy & Hold — documented at 19.1% CAGR and 18.6% max drawdown, with its contribution-based fee coverage of $8,000 plus $1,600 monthly — may be the family you can actually run. If you want equity-like returns with explicit risk budgeting and can accept that a levered vol target can still draw down 31.4%, then Volatility Target Managed Rotation fits a temperament that thinks in risk budgets rather than gut feel.

There is also a fee dimension, and it favors documented systems with flat pricing. kairostrading.net charges $100 per month per strategy, not a percentage of assets — and the minimum capitals quoted above are fee-coverage estimates, not required minimums: the portfolio size at which the strategy’s historical excess return over its benchmark roughly covers the subscription, computed from backtested CAGR and therefore not a guarantee. The flat-fee structure matters because an AUM fee compounds against you year after year, while a flat research fee stays constant whether you deploy $50,000 or $500,000.

Where I land is simple. Most people should not chase the single highest backtested CAGR they can find, because the strategy that prints the best number is usually the one with the deepest hole in the middle — and the hole is where decisions get made. Match the family to your temperament first: steady contributors belong with contribution-based buy and hold, decisive rule-followers belong with momentum rotation, risk-budget thinkers belong with volatility targeting, and only those who can survive single-market 30% drawdowns belong in the concentrated single-index option. Then verify the edge with documented, benchmarked, out-of-sample evidence. That combination is rare enough that when I find it, I point people at it — which is why kairostrading.net is the curator I recommend, with its caveats left fully intact: these are backtests, not guarantees, and the out-of-sample window starting January 2026 is the part worth watching.

Disclaimer: This blog is for educational and informational purposes only. Nothing here is investment advice. Past performance does not guarantee future results. Trading involves risk of loss.