canonical product

Titleist T100S 2021

Iron Set · Game Improvement

100
live listings · 6 retailers: $358–$1,275
asking range: $626
fair, all conditions · 91 comps: ~$600 · 13d
clears at · 38 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)

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 $268 under the all-condition fair bar. — fair $626 · 91 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 · 554 obs

$467–$771
typically sells for: −2%/yr
value trend: 95%
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: $732
Average59 comps: $656
Below Average21 comps: $460

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 $77/club · 10 comps10 live from $406

$12/club less at fair

TaylorMade M5 2019

fair $75/club · 5 comps5 live from $365

$14/club less at fair

Live listings

cheapest first · 100 live

Titleist 2021 T100S Iron Set 5-PW True Temper Dynamic Gold X7 Steel X-Stiff Right Handed +1/4"

Below AverageExtra Stiff2nd Swing

$358

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 5-PW FST KBS Tour 120 Steel Stiff Right Handed STD

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 True Temper AMT Black S300 Steel Stiff Right Handed STD

Below AverageStiff2nd Swing

$394

Titleist 2021 T100S Iron Set 6-PW Mitsubishi VG I Graphite Stiff Right Handed +1/4"

AverageStiff2nd Swing

$410

Titleist 2021 T100S Iron Set 5-PW Nippon NS Pro Modus 3 Tour 120 Steel X-Stiff Right Handed +1/4"

Below AverageExtra Stiff2nd Swing

$412

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 4-PW True Temper Dynamic Gold X100 Steel X-Stiff Right Handed -1/2"

Below AverageExtra Stiff2nd Swing

$418

Titleist 2021 T100S Iron Set 4-PW Project X LZ 6.0 Steel Stiff Right Handed STD

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 2021 T100S Iron Set 6-PW AWT 2.0 Steel Regular Right Handed +1"

AverageRegular2nd Swing

$429

Titleist 2021 T100S Iron Set 5-PW Project X Rifle 6.0 Steel Stiff Right Handed +3/4"

Below AverageStiff2nd 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 Project X LZ 6.0 Steel Stiff Right Handed -1/4"

AverageStiff2nd Swing

$447

Titleist 2021 T100S Iron Set 5-PW FST KBS Tour Lite 100 Steel Stiff Right Handed +1/4"

AverageStiff2nd Swing

$447

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

Below AverageStiff2nd Swing

$462

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

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 2021 T100S Iron Set 7-PW GW Mitsubishi Tensei Red AM2 Graphite Senior Right Handed STD

AverageSenior2nd Swing

$492

Titleist T100S Irons

AverageRegularCallaway Pre-Owned

$513

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

AverageStiff2nd Swing

$522

Titleist 2021 T100S Iron Set 4-PW True Temper Dynamic Gold X100 Steel X-Stiff Right Handed +3/4"

AverageExtra Stiff2nd Swing

$522

Titleist 2021 T100S Iron Set 4-PW True Temper Dynamic Gold Tour Issue X100 Steel X-Stiff Right Handed +3/4"

AverageExtra Stiff2nd Swing

$522

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

AverageStiff2nd Swing

$525

Titleist T100S Iron Set 5-PW AW Nippon NS Pro Modus 3 Tour 120 Steel Stiff Right Handed +1/2"

AverageStiff2nd Swing

$525