BAA vs HAA: differences between Keller and Keuning's two strategies

Strategies · 5 min

HAA is the simplified successor to BAA. Both belong to Wouter Keller's family of strategies and share the idea of watching "canaries", but they differ quite a lot.

Rule comparison

BAA-G12 HAA Balanced
Paper year 2022 2023
Canaries SPY, VWO, VEA, BND (4) TIP (1)
Switch signal Any canary with negative 13612W TIP with non-positive momentum
Offensive assets 12 (picks 6) 8 (picks 4)
Defensive assets 7 (picks 3) 2 (BIL or IEF)
Momentum 13612W (canaries) and price/SMA12 (ranking) Simple average of 1-3-6-12
Extra protection Defensives worse than BIL → BIL Offensives with momentum ≤ 0 → safe asset

Backtest results

BAA-G12 HAA Balanced
Since Sep 2008 Sep 2008
Annual return 7.5% 9.7%
Max drawdown -13.4% -9.3%
Volatility 8.0% 9.1%
Time in the safe asset 54% 29%
Annual turnover 512% 347%

What it means in practice

  • BAA protects faster (four sensitive canaries) but spends more than half the time out of equities and turns over more. You feel that in the return when the market rises.
  • HAA protects less, but takes part in more of the rises and has lower turnover, so lower costs and taxes.
  • HAA spends noticeably less time in the safe asset than BAA, so its profile is more aggressive and its turnover lower.

Which one to pick?

There is no objective answer. Ask yourself:

  1. How much of a drawdown can you tolerate?
  2. How much turnover (and tax) do you accept?
  3. How much complexity do you want to follow?

If you want simplicity and lower turnover, HAA or Dual Momentum; if you prioritise fast protection and accept the turnover, BAA. See the sheets: HAA Balanced and BAA-G12.

Frequently asked questions

Does HAA replace BAA?

The authors present HAA as a simpler version with a lower defensive fraction. BAA remains a valid strategy with a different profile.

Can I combine the two?

You can, but understand the overlap: they share assets and philosophy, so the diversification between them is limited.

Educational and informational content. It is not investment advice or a personal recommendation. The results shown are historical simulations (backtests) using US-listed ETFs; past performance does not guarantee future results and you may lose some or all of the capital invested. Real returns will depend on your costs, taxes, currency and execution timing.