canonical product

Titleist T100 2021

Iron Set · Game Improvement

61
live listings · 6 retailers: $417–$991
asking range: $649
fair, all conditions · 60 comps: ~$604 · 4d
clears at · 6 organic delists (180d) · delisted ≠ sold

buy now or wait?BUY

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

≈ $1/mo depreciation (model)successor expected 2027-08 · typically −10–15% (estimate)clears ≈ $604 (measured · delisted ≠ sold)

copies that clear organically do so quickly (measured) — good examples don't linger; 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 $233 under the all-condition fair bar. — fair $649 · 60 comps

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 · 211 obs

$534–$857
typically sells for: −2%/yr
value trend: 93%
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

Above Average8 comps: $758
Average44 comps: $660
Below Average6 comps: $487

own one? check what it's worth →

Same band, for less

measured comps

Heads rated to the same 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.

TaylorMade M5 2019

fair $73/club · 10 comps12 live from $280

$19/club less at fair

Callaway Paradym 2023

fair $81/club · 11 comps11 live from $347

$12/club less at fair

Live listings

cheapest first · 61 live

Titleist 2021 T100 Iron Set 5-PW True Temper Dynamic Gold 120 Steel X-Stiff Right Handed +1/4"

Below AverageExtra Stiff2nd Swing

$417

Titleist 2021 T100 Iron Set 4-9 Iron Nippon NS Pro Modus 3 Tour 120 Steel X-Stiff Right Handed +3/4"

Below AverageExtra Stiff2nd Swing

$417