Volume & money flow · daily rule · Industrials & materials
Money Flow Index on AtkinsRéalis
ATRL with the play, last two years
Shading shows the play's call from the close that triggered it.
Money Flow Index (14)
Dashed lines at 20, 80.
Growth of C$10,000 since 2005
Log scale. After trading costs, with T-bill interest while out.
The record
The play against buying and holding ATRL over exactly the same dates, after costs.
| Play, since 2005 | Hold, since 2005 | Play, 5 yrs | Hold, 5 yrs | |
|---|---|---|---|---|
| Annual return | +2.5% | +8.5% | +17.1% | +22.0% |
| Total return | +70% | +486% | +119% | +168% |
| Worst drawdown | −73.9% | −74.0% | −33.5% | −38.6% |
| Volatility | 26.1% | 35.0% | 23.0% | 34.0% |
| Sharpe ratio | 0.16 | 0.36 | 0.64 | 0.64 |
| Time invested | 40% | 100% | ||
| Switches per year | 2.3 | 0 |
Every call, graded
Right on 25 of 49 closed calls (51%). In calls averaged +3.6%; out calls saw ATRL move +8.2% on average.
| Called | Call | Price | Until | ATRL moved | Result |
|---|---|---|---|---|---|
| May 29, 2026 | IN | C$82.74 | now | +5.5% | open |
| Sep 16, 2025 | OUT | C$102.89 | May 29, 2026 | −19.6% | ✓ right |
| Aug 26, 2025 | IN | C$92.31 | Sep 16, 2025 | +11.5% | ✓ right |
| Apr 30, 2025 | OUT | C$68.18 | Aug 26, 2025 | +35.4% | ✕ wrong |
| Feb 19, 2025 | IN | C$73.01 | Apr 30, 2025 | −6.6% | ✕ wrong |
| Oct 29, 2024 | OUT | C$67.02 | Feb 19, 2025 | +8.9% | ✕ wrong |
| Sep 12, 2024 | IN | C$50.49 | Oct 29, 2024 | +32.7% | ✓ right |
| Jun 26, 2024 | OUT | C$58.42 | Sep 12, 2024 | −13.6% | ✓ right |
| Apr 11, 2024 | IN | C$54.44 | Jun 26, 2024 | +7.3% | ✓ right |
| Mar 13, 2024 | OUT | C$55.09 | Apr 11, 2024 | −1.2% | ✓ right |
| Dec 14, 2023 | IN | C$41.97 | Mar 13, 2024 | +31.3% | ✓ right |
| Nov 21, 2023 | OUT | C$42.86 | Dec 14, 2023 | −2.1% | ✓ right |
An in call is right when the price rose before the next call; an out call is right when it fell. The latest 12 of 50 calls shown.
How the play works
- In when the 14-day MFI crosses up through 20.
- Out when it crosses down through 80.
The creators also stress divergences, which this rule ignores.
The case against
Valeriy Zakamulin tested moving-average timing on up to 155 years of U.S. stock data and found no statistically significant edge in the second half of that record. The rules earned their keep in a few severe bear markets and lagged buy and hold for long stretches in between.