The Bureau of Historic Losses · Counterfactual Division
What if you'd bought CSL in 2015?
CSL traded near $88 in early 2015 and was, as ever, deemed 'expensive' for a plasma-therapies business whose growth stubbornly refused to slow. Its half-yearly buybacks and relentless reinvestment quietly carried it far higher while the sceptics rechecked the P/E.
$100 on 2015-01-01, worth today
A$145
As of 2026-06-12, $100 of CSL bought at 2015's open (A$74.20) is worth A$145 — 1.45×.
total return · dividends reinvested · AUD
How much would $100 of CSL bought in 2015 be worth today?
| You'd have put in | You'd have now | Multiple |
|---|---|---|
| A$100 | A$145 | 1.45× |
| A$1,000 | A$1,449 | 1.45× |
| A$10,000 | A$14,490 | 1.45× |
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 CSL do in 2015?
Opened
A$74.20
2015-01-01
Peaked
A$91.89
2015-12-29
Bottomed
A$70.44
2015-02-10
Closed
A$91.06
2015-12-30
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$59,800 deployed as $100 a week from 2015-01-01, under four temperaments — same money, different nerves.
| All in on day one | A$86,647 |
| Steady weekly buys | A$39,379 |
| Sold dips, rebought rallies | A$49,042 |
| Traded it perfectly | A$104,676 |
“Traded it perfectly” requires knowing the future. Nobody knew the future.
The same $1,000, elsewhere
$1,000 at 2015's open, each valued at the latest close. Hindsight remains undefeated.
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