canonical product
Callaway Big Bertha
Iron Set · Ultra Game Improvement
- 1
- live listings · 1 retailers
- $365–$365
- asking range
- $492
- fair, all conditions · 33 comps (past listings)
buy now or wait?BUY
The value curve is flat — waiting buys you almost nothing.
≈ $4/mo depreciation (model)
days-on-market is measured, but organic clears are a small slice of this product's churn — weigh the velocity accordingly.
forecast: product evidence · verdict recomputed nightly
The verdict
each line cites its basis- Buy window: the cheapest live copy sits $127 under the all-condition fair bar. — fair $492 · 33 comps
- Typical drift is −9%/yr (≈ $46 at today's value) — patience usually pays. — value model, curve fit on this product
What it has been selling for
monthly medians since 2026-01Value over time
value model, curve fit on this product · 35 obs- $373–$620
- typically sells for
- −9%/yr
- value trend
- 82%
- held over 3 yrs
median model value by product age, 80% band — about 1 in 5 sales lands outside it · rebuilt nightly
Fair price by condition
- Ungraded31 comps · past listings
- $499