canonical product

Titleist T100S 2021

Iron Set · Game Improvement

99
live listings · 6 retailers: $358–$1,115
asking range: $611
fair, all conditions · 90 comps: ~$600 · 16d
clears at · 61 organic delists (180d) · delisted ≠ sold

buy now or wait?BUY

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

≈ $1/mo depreciation (model)clears ≈ $600 (measured · delisted ≠ sold)

forecast: product evidence · verdict recomputed nightly

The verdict

each line cites its basis

Buy window: the cheapest live copy sits $253 under the all-condition fair bar. — fair $611 · 90 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 · 810 obs

$455–$758
typically sells for: −1%/yr
value trend: 92%
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 Average10 comps: $684
Average61 comps: $647
Below Average19 comps: $483

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.

Mizuno JPX 919 Forged 2018

fair $67/club · 8 comps8 live from $369

$20/club less at fair

TaylorMade M5 2019

fair $75/club · 8 comps8 live from $365

$12/club less at fair

Live listings

cheapest first · 99 live

Titleist 2021 T100S Iron Set 5-PW FST KBS Tour 90 Steel Stiff Right Handed +1/2"

Below AverageStiff2nd Swing

$358

Titleist 2021 T100S Iron Set 4-PW AW Project X LZ 6.0 Steel Stiff Right Handed -1/2"

Below AverageStiff2nd Swing

$358

Titleist T100S Iron Set 5-PW True Temper Dynamic Gold X100 Steel X-Stiff Right Handed +1/4"

Below AverageExtra Stiff2nd Swing

$360

Titleist 2021 T100S Iron Set 6-PW FST KBS Tour-V 110 Steel Stiff Right Handed +1/2"

AverageStiff2nd Swing

$373

Titleist 2021 T100S Iron Set 7-PW AW Nippon NS Pro Modus 3 Tour 105 Steel X-Stiff Right Handed STD

AverageExtra Stiff2nd Swing

$373

Titleist 2021 T100S Iron Set 6-PW GW Nippon NS Pro Modus 3 Tour 105 Steel Stiff Right Handed STD

AverageStiff2nd Swing

$373

Titleist T100S 2019 Iron Set 6-Pw Stiff Flex Project X Io Steel 14049270 Fair

Above AverageStiffMike's Golf Outlet

$415

Titleist 2021 T100S Iron Set 5-PW AW True Temper AMT Tour White Steel Stiff Right Handed +1/4"

Below AverageStiff2nd Swing

$418

Titleist 2021 T100S Iron Set 5-PW AW True Temper AMT Black S300 Steel Stiff Right Handed +1/4"

Below AverageStiff2nd Swing

$418

Titleist T100S Iron Set 5-PW GW Project X LZ 6.0 Steel Stiff Right Handed STD

Below AverageStiff2nd Swing

$420

Titleist 2021 T100S Iron Set 5-PW Nippon NS Pro Modus 3 Tour 105 Steel X-Stiff Left Handed +1/2"

Below AverageExtra StiffLH2nd Swing

$430

Titleist 2021 T100S Iron Set 5-PW True Temper Dynamic Gold S400 Steel Stiff Right Handed -1/4"

AverageStiff2nd Swing

$447

Titleist 2021 T100S Iron Set 5-PW Stock Steel Shaft Steel Stiff Right Handed +1 1/4"

AverageStiff2nd Swing

$447

Titleist 2021 T100S Iron Set 4-9 Iron Project X Rifle 6.5 Steel X-Stiff Right Handed STD

AverageExtra Stiff2nd Swing

$447

Titleist T100S Iron Set 5-PW Nippon NS Pro Modus 3 Tour 120 Steel X-Stiff Right Handed STD 37.0"

AverageExtra Stiff2nd Swing

$450

Titleist T100S 2019 Iron Set

AverageStiffGlobalGolf

$455

Titleist 2021 T100S Iron Set 5-PW GW Mitsubishi Fubuki MV-Series 50 Graphite Senior Left Handed -3/4"

Below AverageSeniorLH2nd Swing

$459

Titleist 2021 T100S Iron Set 4-PW GW True Temper AMT Black S300 Steel Stiff Right Handed +1"

Below AverageStiff2nd Swing

$477

Titleist 2021 T100S Iron Set 4-PW GW True Temper Dynamic Gold Steel Stiff Right Handed +1/4"

Below AverageStiff2nd Swing

$477

Titleist T100S Iron Set 4-PW GW True Temper Dynamic Gold S300 Steel Stiff Right Handed +1/2"

Below AverageStiff2nd Swing

$480

Titleist T100S Iron Set 5-PW AW FST KBS Tour Steel Stiff Right Handed +1"

Below AverageStiff2nd Swing

$483

Titleist 2021 T100S Iron Set 5-PW Project X 6.0 Steel Stiff Right Handed +1/4"

AverageStiff2nd Swing

$492

Titleist 2021 T100S Iron Set 5-PW Nippon NS Pro 950GH Neo Steel Stiff Right Handed STD

AverageStiff2nd Swing

$492

Titleist 2021 T100S Iron Set 4-PW Stock Steel Shaft Steel Stiff Right Handed +1/4"

AverageStiff2nd Swing

$496

Titleist 2021 T100S Iron Set 4-PW Nippon NS Pro Modus 3 Tour 105 Steel Stiff Right Handed +1/4"

Below AverageStiff2nd Swing

$502

Titleist 2021 T100S Iron Set 4-PW Aerotech SteelFiber i80 Graphite Regular Right Handed +3/4"

Below AverageRegular2nd Swing

$503