canonical product

Mizuno JPX 921 Forged

Single Iron · Conventional

9
live listings · 1 retailers: $104–$231
asking range: $143
fair, all conditions · 9 comps: ~$130 · 21d
clears at · 10 organic delists (180d) · delisted ≠ sold

buy now or wait?BUY

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

≈ $0/mo depreciation (model)clears ≈ $130 (measured · delisted ≠ sold)

forecast: product evidence · verdict recomputed nightly

The verdict

each line cites its basis

Buy window: the cheapest live copy sits $39 under the all-condition fair bar. — fair $143 · 9 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 · 70 obs

$101–$160
typically sells for: ≈ holding value
value trend: 99%
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: $143

own one? check what it's worth →

Same band, for less

measured comps

Heads rated to the same Conventional 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 · 9 live