Cellar Index
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Unshackled Sparkling California 2018

sparkling · California Central Valley · 750 ml · 2018 vintage · tracked since Q4 2022

Shelf price, Q3 2026
$9.99
16 quarters on record · 1 list-price change · on sale in 0
List-price change, past year
▼ 58.4%
Past 5 years: —
Outlook for the next 12 months
<1% chance of a rise
typically +9% · 1% chance of a cut (typically -11%)
List priceSale / clearance priceForecast (median)80% forecast range
Show prices and forecast as a table
QuarterListSaleForecast (80% range)Chance higher
Q3 2027$9.99 ($9.99–$9.99)<1%
Q2 2027$9.99 ($9.99–$9.99)1%
Q1 2027$9.99 ($9.99–$9.99)<1%
Q4 2026$9.99 ($9.99–$9.99)<1%
Q3 2026$9.99
Q2 2026$9.99
Q1 2026$23.99$7.93
Q4 2025$23.99$14.23
Q3 2025$23.99
Q2 2025$23.99
Q1 2025$23.99
Q4 2024$23.99
Q3 2024$23.99
Q2 2024$23.99
Q1 2024$23.99
Q4 2023$23.99
Q3 2023$23.99
Q2 2023$23.99
Q1 2023$23.99
Q4 2022$23.99

Chance the list price will differ from today's $9.99

By
Higher
Lower
Q4 2026
<1%
<1%
Q1 2027
<1%
<1%
Q2 2027
1%
1%
Q3 2027
<1%
1%
Fair price
$21.80
Comparable wines cost $14.98–$31.09 (80% range). At $9.99 it is priced 54% below them.
Typical drinking window
2019–2022
Past its typical window · rule of thumb, typical for everyday sparkling wine from California Central Valley
Next vintage (2019) vs this one
7% chance priced higher
Typical change 0% (80% range -20.8% to 11.9%) · 1% chance priced lower

Why this outlook?

Get a plain-English explanation of this wine's forecast, fair price and vintage outlook, written by Amazon Nova on Amazon Bedrock using only the numbers on this page.

What if?

Change today's price or promotion and the model re-scores this wine live.

Promotion

Model hgbq-20260928-160312: Gradient-boosted price-change classifier + conformal quantile range (global, direct multi-horizon).