Whisky investment intelligence
7 Glen Marnoch expressions tracked across 416+ auction observations.
12-mo avg return
+9.0%
Median return
+13.0%
Volatility (±)
16.7%
Verdict
Strong recent momentum
Glen Marnoch bottles with the largest year-over-year median price gains.
| Bottle | Current median | 12mo ago | Change |
|---|---|---|---|
| Glen Marnoch 1988 | £71 | £55 | +29.5% |
| Glen Marnoch 12 Year Old | £25 | £20 | +25.0% |
| Glen Marnoch 25 Year Old | £58 | £50 | +15.0% |
| Glen Marnoch 29 Year Old | £55 | £50 | +10.0% |
| Glen Marnoch 24 Year Old | £49 | £55 | -11.4% |
| Glen Marnoch 18 Year Old | £30 | £35 | -14.3% |
Highest median auction price — the established collectables.
Affordable Glen Marnoch expressions for first-time collectors — at least 3 auction observations to confirm market liquidity.
Glen Marnoch bottles that have softened — either fair-value entry points or bottles to avoid, depending on your thesis.
| Glen Marnoch 18 Year Old | £30 | -14.3% |
| Glen Marnoch 24 Year Old | £49 | -11.4% |
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 416+ 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 Glen Marnoch catalog with live prices lists every tracked expression with its full price history chart.
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