canonical product

Mizuno JPX 921 Hot Metal Pro

Iron Set · Super Game Improvement

7
live listings · 3 retailers: $535–$1,057
asking range: $735
fair, all conditions · 6 comps: ~$842 · 8d
clears at · 16 organic delists (180d) · delisted ≠ sold

buy now or wait?BUY

This product is appreciating — waiting costs money.

clears ≈ $842 (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 $200 under the all-condition fair bar. — fair $735 · 6 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 2026-01

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 · 81 obs

$451–$744
typically sells for: appreciating
value trend: 89%
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

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 · 7 live