Whisky investment intelligence
12 Glen Marnoch expressions tracked across 651+ auction observations.
12-mo avg return
-0.2%
Median return
-1.0%
Volatility (±)
18.6%
Verdict
Soft market — selective buys only
Glen Marnoch bottles with the largest year-over-year median price gains.
| Bottle | Current median | 12mo ago | Change |
|---|---|---|---|
| Glen Marnoch 1988 | £50 | £50 | +27.3% |
| Glen Marnoch 29 Year Old | £50 | £50 | +20.0% |
| Glen Marnoch 12 Year Old | £0 | £0 | +10.0% |
| Glen Marnoch 25 Year Old | £50 | £50 | +10.0% |
| Glen Marnoch 24 Year Old | £50 | £50 | -11.4% |
| Glen Marnoch 28 Year Old | £50 | £100 | -13.3% |
| Glen Marnoch 18 Year Old | £50 | £50 | -14.3% |
| Glen Marnoch - 24 Year Old (Limited Release) | £50 | £100 | -30.0% |
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 - 24 Year Old (Limited Release) | £50 | -30.0% |
| Glen Marnoch 18 Year Old | £50 | -14.3% |
| Glen Marnoch 28 Year Old | £50 | -13.3% |
| Glen Marnoch 24 Year Old | £50 | -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 651+ 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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