Octomore 13.1 5 Year Old The Impossible Equation is a collectable Scotch whisky from Octomore aged 5 years. Based on 19 recorded auction lots across 12 months of trading data, the current median hammer price is £125, with the most recent sale at £120. Over the trading window, prices have ranged from £110 (low) to £140 (high). Accounting for lot-to-lot variation, a realistic valuation range for Octomore 13.1 5 Year Old The Impossible Equation is £110–£130 (±8% around the latest sale).
Octomore is a whisky distillery. Octomore 13.1 5 Year Old The Impossible Equation is an age-stated bottling at 5 years old.
Named / limited release
Released as 13equationimpossible, a named edition rather than part of the standard core range.
These are scarcity and demand signals drawn from the bottle's own attributes — they describe the bottle, not a prediction of future price. Not investment advice.
Latest sale
£120
24-month median
£125
24-month high
£140
24-month low
£110
Estimated value · likely range
£110–£130 ±8%
Auction hammers swing lot to lot with condition, fill level and timing. Treat this band — not a single figure — as the bottle's value.
| Month | Median | Lots |
|---|---|---|
| November 2025 | £120 | 1 |
| June 2025 | £110 | 1 |
| April 2024 | £130 | 2 |
| March 2024 | £110 | 5 |
| February 2024 | £120 | 1 |
| January 2024 | £140 | 1 |
| December 2023 | £120 | 1 |
| July 2023 | £140 | 1 |
| May 2023 | £130 | 2 |
| March 2023 | £130 | 2 |
| February 2023 | £120 | 1 |
| November 2022 | £130 | 1 |
The latest hammer price for Octomore 13.1 5 Year Old The Impossible Equation at auction is £120. Across the most recent 24 months of auction data, the median hammer price is £125, with a high of £140 and a low of £110. All prices are in GBP and exclude buyer's premium. Data is aggregated from major auction houses including Scotch Whisky Auctions, Whisky Auctioneer, and Bonhams.
wsky1 currently has fewer than 12 months of auction data for Octomore 13.1 5 Year Old The Impossible Equation, so a year-on-year trend is not yet computed. Recent hammer prices range from £110 to £140 (median £125).
Octomore 13.1 5 Year Old The Impossible Equation regularly appears at major Scotch whisky auction houses including Scotch Whisky Auctions (Scotland), Whisky Auctioneer (Scotland), Just Whisky, Whisky Hammer, and Bonhams. The current median hammer price is £125 (excluding buyer's premium). At most major houses, buyer's premium adds 24–28% on top of hammer for the buyer; sellers typically receive the hammer price minus a sales commission of 5–15%.
Octomore 13.1 5 Year Old The Impossible Equation has appeared in 19 recorded auction lots in our database, with a current median hammer price of £125. wsky1 provides hammer-price data for informational purposes only — not investment advice.
wsky1 ingests public auction results from major auction houses (via direct scraping of Scotch Whisky Auctions, Whisky Auctioneer, Bonhams, and Whisky Hammer, plus aggregated data from WhiskyHunter). For each bottle, we group hammer prices by year-month and compute the median price per month. The figures shown — latest £120, 24-month median £125 — are derived from this monthly-median methodology. All prices are hammer prices in GBP, excluding buyer's premium.
No. All prices on wsky1 are hammer prices only. Buyer's premium at major Scotch whisky auction houses currently runs at 24–28% on top of the hammer price. A bottle of Octomore 13.1 5 Year Old The Impossible Equation that hammers at £120 would cost the buyer approximately £151 all-in including buyer's premium.
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