canonical product

Mizuno JPX 921 Hot Metal Pro

Iron Set · Super Game Improvement

9
live listings · 4 retailers: $480–$930
asking range: $630
fair, all conditions · 9 comps: ~$684 · 4d
clears at · 6 organic delists (180d) · delisted ≠ sold

buy now or wait?BUY

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

≈ $5/mo depreciation (model)clears ≈ $684 (measured · delisted ≠ sold)

copies that clear organically do so quickly (measured) — good examples don't linger.

forecast: product evidence · verdict recomputed nightly

The verdict

each line cites its basis

Buy window: the cheapest live copy sits $150 under the all-condition fair bar. — fair $630 · 9 comps
Typical drift is −9%/yr (≈ $56 at today's value) — patience usually pays. — value model, curve fit on this product

What it has been selling for

monthly medians since 2026-01

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 · 55 obs

$464–$745
typically sells for: −9%/yr
value trend: 68%
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: $693

own one? check what it's worth →

Same band, for less

measured comps

Heads rated to the same Super 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 · 9 live