canonical product

Callaway Big Bertha OS

Single Iron · Ultra Game Improvement

11
live listings · 1 retailers: $56–$143
asking range: $77
fair, all conditions · 8 comps

buy now or wait?BUY

This product is appreciating — waiting costs money.

waiting 3 months ≈ $2 cheaper (model)

clearance velocity is unmeasured for this product (censored/no organic signal) — the verdict leans on the forecast alone.

forecast: product evidence · verdict recomputed nightly

The verdict

each line cites its basis

Buy window: the cheapest live copy sits $21 under the all-condition fair bar. — fair $77 · 8 comps
Prices on this product are rising — waiting has historically cost money. — value model, curve fit on this product

What it has been selling for

monthly medians since 2026-02

monthly median ask · open points are sparse months (<8 observation days) drawn as facts, never interpolated — the line knits itself in as nightly snapshots accumulate

Value over time

value model, curve fit on this product · 49 obs

$57–$92
typically sells for: appreciating
value trend: 129%
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

Average5 comps: $77

own one? check what it's worth →

Live listings

cheapest first · 11 live

Callaway Big Bertha OS Single Iron 7 Iron UST Mamiya Recoil ES 460 Steel Regular Right Handed 37.5in

Below AverageRegular2nd Swing

$56

Callaway Big Bertha OS Single Iron 7 Iron UST Mamiya Recoil ES 450 Graphite Ladies Right Handed 36.5in

Below AverageLadies2nd Swing

$62

Callaway Big Bertha OS Single Iron 8 Iron True Temper Speed Step 80 Steel Regular Right Handed 37.75in

AverageRegular2nd Swing

$70

Callaway Big Bertha OS Single Iron 8 Iron UST Mamiya Recoil ES 460 Graphite Regular Right Handed 36.75in

AverageRegular2nd Swing

$77

Callaway Big Bertha OS Single Iron 9 Iron UST Mamiya Recoil ES 460 Graphite Senior Right Handed 36.0in

AverageSenior2nd Swing

$77

Callaway Big Bertha OS Single Iron 8 Iron UST Mamiya Recoil ES 460 Graphite Senior Right Handed 36.75in

AverageSenior2nd Swing

$77

Callaway Big Bertha OS Single Iron 7 Iron UST Mamiya Recoil ES 450 Graphite Ladies Right Handed 36.0in

AverageLadies2nd Swing

$77

Callaway Big Bertha OS Single Iron 7 Iron UST Mamiya Recoil ES 460 Graphite Senior Right Handed 37.5in

AverageSenior2nd Swing

$77

Callaway Big Bertha OS Single Iron 7 Iron UST Mamiya Recoil ES 460 Graphite Regular Right Handed 37.25in

AverageRegular2nd Swing

$92

Mint Callaway Big Bertha OS Single Iron 7 Iron UST Mamiya Recoil ES 460 Steel Regular Left Handed 37.0in

MintRegularLH2nd Swing

$105

Callaway Big Bertha OS Single Iron 4 Iron UST Mamiya Recoil ES 450 Graphite Ladies Right Handed 39.0in

AverageLadies2nd Swing

$143