Whisky investment intelligence
3 Isle Of Islay expressions tracked across 20+ auction observations.
12-mo avg return
-18.8%
Median return
-23.5%
Volatility (±)
7.8%
Verdict
Significant decline — wait for stabilisation
Isle Of Islay bottles with the largest year-over-year median price gains.
| Bottle | Current median | 12mo ago | Change |
|---|---|---|---|
| Isle Of Islay 1993 27 Year Old Thompson Bros | £250 | £250 | -7.8% |
| Isle Of Islay 1991 30 Year Old Thompson Bros | £250 | £350 | -23.5% |
| Isle Of Islay 1990 31 Year Old Thompson Bros | £250 | £350 | -25.0% |
Highest median auction price — the established collectables.
Isle Of Islay bottles that have softened — either fair-value entry points or bottles to avoid, depending on your thesis.
Past auction prices are the most defensible signal of a bottle's collectable value — but they are not a forecast. The data below comes from 20+ hammered lots across six major auction houses; none of it is curated or pay-for-placement.
Three rules-of-thumb a working collector should keep in mind:
For a deeper view, the full Isle Of Islay catalog with live prices lists every tracked expression with its full price history chart.
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