The Bureau of Historic Losses · Counterfactual Division
What if you'd bought ResMed in 2009?
ResMed sold machines for sleep apnoea — a condition most people had never heard of and fewer took seriously. A dull San Diego-via-Sydney medical-device maker, priced like one, sitting on a structurally growing market.
$100 on 2009-01-01, worth today
A$1,153
As of 2026-06-12, $100 of ResMed bought at 2009's open (A$2.40) is worth A$1,153 — 11.5×.
total return · dividends reinvested · AUD
How much would $100 of ResMed bought in 2009 be worth today?
| You'd have put in | You'd have now | Multiple |
|---|---|---|
| A$100 | A$1,153 | 11.5× |
| A$1,000 | A$11,526 | 11.5× |
| A$10,000 | A$115,265 | 11.5× |
Lump sum on the year's first trading day, total return (dividends reinvested, splits adjusted), valued at the latest close. Past performance isn't a promise — it's a taunt.
What did ResMed do in 2009?
Opened
A$2.40
2009-01-01
Peaked
A$2.93
2009-02-12
Bottomed
A$2.03
2009-06-01
Closed
A$2.66
2009-12-30
Levels are dividend-adjusted, so historical figures look lower than the headline price of the day — that's the total-return lens, and it's the honest one.
Would steady buying have beaten going all in?
A$91,100 deployed as $100 a week from 2009-01-01, under four temperaments — same money, different nerves.
| All in on day one | A$1.1M |
| Steady weekly buys | A$379,493 |
| Sold dips, rebought rallies | A$179,512 |
| Traded it perfectly | A$613,560 |
“Traded it perfectly” requires knowing the future. Nobody knew the future.
The same $1,000, elsewhere
$1,000 at 2009's open, each valued at the latest close. Hindsight remains undefeated.
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