canonical product
Callaway Great Big Bertha 23
Iron Set · Ultra Game Improvement
- 8
- live listings · 2 retailers
- $579–$933
- asking range
- $698
- fair, all conditions · 6 comps
buy now or wait?BUY
The value curve is flat — waiting buys you almost nothing.
≈ $7/mo depreciation (model)waiting 3 months ≈ $4 cheaper (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 $118 under the all-condition fair bar. — fair $698 · 6 comps
- Typical drift is −13%/yr (≈ $84 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 · 36 obs- $469–$773
- typically sells for
- −13%/yr
- value trend
- 86%
- 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
Not enough comps to band by condition yet — the all-conditions fair above is the read.
own one? check what it's worth →Same band, for less
measured compsHeads rated to the same Ultra Game Improvement playability band, priced materially lower at fair — each fair on 5+ comps, each buyable today. Ranked by what you save, weighted by how well-measured the saving is. Nothing here is paid placement; there is none on this site.
Live listings
cheapest first · 8 liveCallaway Great Big Bertha 23 Iron Set 6-Pw Stiff N.S. Pro 850Gh Neo 3156565 Good
AverageStiffMike's Golf Outlet
Callaway Great Big Bertha 23 Iron Set 6-Pw, Aw Regular 3500636 Good Left Hand Lh
AverageRegularLHMike's Golf Outlet
Callaway Great Big Bertha 23 Iron Set 6-PW AW Nippon NS Pro 850GH Neo Steel Regular Right Handed STD
AverageRegular2nd Swing
Callaway Great Big Bertha 23 Iron Set 7-PW AW UST Mamiya Helium Nanocore 60i IP Finish Graphite Senior Right Handed STD
AverageSenior2nd Swing
Callaway Great Big Bertha 23 Iron Set 7-PW AW SW UST Mamiya Helium Nanocore 60i IP Finish Graphite Senior Left Handed STD
AverageSeniorLH2nd Swing
Mint Callaway Great Big Bertha 23 Iron Set 7-PW AW UST Mamiya Helium Nanocore 50i IP Finish Graphite Ladies Right Handed -1"
MintLadies2nd Swing
Callaway Great Big Bertha 23 Iron Set 6-PW AW Nippon NS Pro 850GH Neo Steel Regular Right Handed -3/4"
Above AverageRegular2nd Swing
Callaway Great Big Bertha 23 Iron Set 4-PW AW Aerotech SteelFiber fc80 Graphite Regular Left Handed STD
AverageRegularLH2nd Swing