Forecast quick answer
Our 30-day forecast for the Birkenstock Boston Clog Stussy Bone (2021) is $307.
Forecast last updated August 27, 2026. See full briefing →
Birkenstock · 1022970
Will the Birkenstock Boston Clog Stussy Bone (2021) go up in price?
Price predictions by horizon
7 days
$301
Likely range: $262–$348
Medium confidence
30 days
$307
Likely range: $256–$374
Medium confidence
90 days
$318
Likely range: $189–$447
Not yet checked against the market — first results September 3, 2026
6 months
$345
Likely range: $162–$528
Not yet checked against the market — first results December 2, 2026
1 year
$390
Likely range: $129–$651
Not yet checked against the market — first results June 5, 2027
Reference data
- Retail
- $190
- Today's ask
- —
- Release
- —
- Forecast updated
- August 27, 2026
How accurate are these forecasts?
SneakerPing predictions blend an XGBoost ensemble model trained on 365 days of pricing history with a 10-factor heuristic (liquidity, hype score, retail premium, volatility, brand momentum). Each shoe is rescored about once a week. The 7-day and 30-day forecasts have been checked against the actual market on tens of thousands of past target dates; the 90-day, 6-month and 1-year horizons are extrapolations that have not produced a graded result yet, because the first ones do not come due until September 2026, December 2026 and June 2027 respectively. Published accuracy stats cover the checked horizons, on our accuracy page. Confidence scores below 60% indicate sparse historical data; treat those forecasts as directional rather than precise.