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Volume & money flow · daily rule · Metals & mining

Money Flow Index on Lundin Mining

What the play says

In since Mar 23, 2026at C$31.87LUN since then +2.7%

Latest reading: MFI 51.14

Next move

No single daily close can flip this call, not even one as low as C$8.18 or as high as C$130.88. It needs the MFI to cross 20 or 80, which takes more than one day from here.

Next check: the Oct 15, 2026 close

See every reason, for and against, in the Theory tester

LUN with the play, last two years

LUNPlay inPlay out

Shading shows the play's call from the close that triggered it.

Money Flow Index (14)

MFI

Dashed lines at 20, 80.

Growth of C$10,000 since 2005

Money Flow IndexBuy & hold

Log scale. After trading costs, with T-bill interest while out.

The record

The play against buying and holding LUN over exactly the same dates, after costs.

Play, since 2005Hold, since 2005Play, 5 yrsHold, 5 yrs
Annual return+2.9%+12.3%+14.3%+29.8%
Total return+87%+1,148%+95%+267%
Worst drawdown−94.8%−95.3%−28.1%−53.9%
Volatility38.4%53.6%29.9%46.9%
Sharpe ratio0.220.450.470.71
Time invested42%100%
Switches per year2.40

Every call, graded

Right on 38 of 53 closed calls (72%). In calls averaged +8.6%; out calls saw LUN move +14.9% on average.

CalledCallPriceUntilLUN movedResult
Mar 23, 2026INC$31.87now+2.7%open
Dec 4, 2024OUTC$13.81Mar 23, 2026+130.8%✕ wrong
Jun 20, 2024INC$14.53Dec 4, 2024−4.9%✕ wrong
Dec 18, 2023OUTC$10.16Jun 20, 2024+43.0%✕ wrong
Oct 31, 2023INC$8.20Dec 18, 2023+23.9%✓ right
Apr 21, 2023OUTC$9.52Oct 31, 2023−13.9%✓ right
Feb 23, 2023INC$7.72Apr 21, 2023+23.3%✓ right
Jan 13, 2023OUTC$8.50Feb 23, 2023−9.2%✓ right
Jul 7, 2022INC$7.27Jan 13, 2023+17.0%✓ right
Oct 31, 2019OUTC$5.46Jul 7, 2022+33.0%✕ wrong
May 10, 2019INC$5.40Oct 31, 2019+1.1%✓ right
Apr 22, 2019OUTC$6.17May 10, 2019−12.4%✓ 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 54 calls shown.

How the play works

  1. In when the 14-day MFI crosses up through 20.
  2. 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.

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