canonical product

Callaway Big Bertha OS

Single Iron · Ultra Game Improvement

15
live listings · 2 retailers: $66–$143
asking range: $85
fair, all conditions · 8 comps

buy now or wait?BUY

This product is appreciating — waiting costs money.

waiting 3 months ≈ $1 cheaper (model)

forecast: product evidence · verdict recomputed nightly

The verdict

each line cites its basis

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 · 95 obs

$57–$89
typically sells for: appreciating
value trend: 120%
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

Average7 comps: $89

own one? check what it's worth →

Live listings

cheapest first · 15 live

Callaway Big Bertha OS Senior Irons

AverageCallaway Pre-Owned

$66

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 9 Iron UST Mamiya Recoil ES 460 Graphite Senior Right Handed 35.5in

Below AverageSenior2nd Swing

$74

Callaway Big Bertha OS Single Iron 6 Iron UST Mamiya Recoil ES 460 Graphite Senior Right Handed 37.75in

AverageSenior2nd 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 8 Iron UST Mamiya Recoil ES 460 Graphite Regular Right Handed 36.75in

AverageRegular2nd 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 9 Iron UST Mamiya Recoil ES 460 Graphite Senior Right Handed 36.0in

AverageSenior2nd Swing

$77

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

MintRegularLH2nd Swing

$81

Callaway Big Bertha OS Single Iron 6 Iron UST Mamiya Recoil ES 460 Graphite Stiff Right Handed 37.0in

AverageStiff2nd Swing

$89

Callaway Big Bertha OS Single Iron 6 Iron UST Mamiya Recoil ES 460 Graphite Senior Right Handed 38.0in

AverageSenior2nd Swing

$89

Callaway Big Bertha OS Single Iron 8 Iron UST Mamiya Recoil ES 450 Graphite Stiff Right Handed 35.25in

AverageStiff2nd Swing

$89

Callaway Big Bertha OS Single Iron Pitching Wedge PW UST Mamiya Recoil ES 460 Graphite Ladies Right Handed 35.0in

AverageLadies2nd Swing

$112

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

AverageLadies2nd Swing

$143