canonical product

Mizuno JPX 921 SEL

Iron Set

5
live listings · 4 retailers: $430–$860
asking range: $799
fair, all conditions · 5 comps

buy now or wait?BUY

The value curve is flat — waiting buys you almost nothing.

≈ $3/mo depreciation (model)waiting 3 months ≈ $10 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 $369 under the all-condition fair bar. — fair $799 · 5 comps

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 · 25 obs

$541–$898
typically sells for: −4%/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 comps

The same club type, 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.