silkywhisky
Bowmore / Islay

BOWMORE 21 Years Old 1988

1.60× mild premium 21yo rating 5.0/5 · n=1
cheapest
€490.00
whisky.fr
intrinsic
€306.39
N
1

Is it worth the price?

BOWMORE 21 Years Old 1988 is an Islay single malt Scotch from the Bowmore distillery, bottled at 21 years old. Tasters score it 5.0 out of 5 across 1 reviews. A single retailer lists it at €490.00, against a model fair price of around €306.39. That is 1.60× the model estimate — a mild premium over the quality-predicted price. Of the 6 Bowmore bottlings priced here, this is the weakest value.

Retailers tracked

Retailer Price
whisky.fr €490.00

How we got this number

The valuation model predicts a price from this bottling's inputs. The multiple is the actual market price divided by that prediction.

Inputs
Rating
5.00 / 5
Age
21yo
Region
Islay
Distillery tier
Premium
Result
Predicted price
€306.39
Actual price (median)
€490.00
Multiple
1.60×
Verdict band
mild premium (1.20× < … ≤ 2.00×)

See the regression's coefficients →

Methodology estimate

The deterministic model from methodology.md: production cost per litre × bottle size, plus maturation cost per year, plus a cask premium, times an ABV factor — then multiplied by a quality grade summed across six 0–3 axes.

Cost floor
Production (€0.18/cl × 70 cl)
€12.60
Maturation (21 × €1.20/year)
€54.72
Cask premium (undeclared)
+€0.00
× ABV factor
×1.35
Cost floor
€90.88
Quality grade (six 0–3 axes)
  • Process distinctness
    partial estate barley / floor malting on site; partial floor malting; sea-warehouse maturation
    2 / 3
  • Cask provenance
    cask type not declared on bottle; partial single-estate malt
    0 / 3
  • Bottling integrity
    51.5% ABV; non-chill-filtered inferred from ABV; E150a caramel colouring not disclosed
    3 / 3
  • Ownership
    Beam Suntory — production-led corporate
    1 / 3
  • Heritage
    founded 1779 (247 years of operation)
    3 / 3
  • Reputation
    5.0/5 across 1 review
    2 / 3
Quality score
11 / 18
Quality multiplier
×1.92
Intrinsic and multiple
Intrinsic value
€174.19
Actual price (median)
€490.00
Multiple
2.81×
Verdict band
brand premium

Maturation context

Islay · rolling 12 months: 1,867 mm at Dippen (53 km). Scotland W rolling 12-month rainfall2,524 mm, +43.70% vs 1995-2024 median.

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