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Titleist T100S 2021

Iron Set · Game Improvement

139
live listings · 8 retailers
$421–$1,275
asking range
$670
fair, all conditions · 128 comps
~$609 · 4d
clears at · 8 organic delists (180d) · delisted ≠ sold

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buy now or wait?BUY

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

≈ $1/mo depreciation (model)clears ≈ $609 (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 $249 under the all-condition fair bar. — fair $670 · 128 comps
  • Sellers ask ~$61 over what actually clears — offers near $609 are market-typical. — 8 organic delists, 180d · delisted ≠ sold

What it has been selling for

monthly medians since 2026-01
$521$657$792010203072026-07 — median $670 · 216 listings · 15 observation days2026-01 — median $755 from only 2 observation days (21 listings)2026-02 — median $683 from only 3 observation days (80 listings)2026-03 — median $765 from only 1 observation day (15 listings)$670
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 · 330 obs
$527–$845
typically sells for
−1%/yr
value trend
93%
held over 3 yrs
$300$600$900todaynew5 yr

median model value by product age, 80% band — about 1 in 5 sales lands outside it · rebuilt nightly

Fair price by condition

Above Average15 comps
$732
Average82 comps
$671
Below Average28 comps
$536
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
$22/club less at fair

Callaway Mavrik 2020

fair $85/club · 66 comps93 live from $31
$11/club less at fair

Mizuno JPX 919 Forged 2018

fair $84/club · 11 comps11 live from $455
$12/club less at fair

Callaway Paradym 2023

fair $84/club · 10 comps11 live from $347
$12/club less at fair

Callaway Mavrik Max 2020

fair $85/club · 15 comps41 live from $42
$10/club less at fair

Live listings

cheapest first · 139 live

Titleist 2021 T100S Iron Set 6-PW Mitsubishi Tensei Red AM2 Graphite Stiff Right Handed +3/4"

Below AverageStiff2nd Swing
$421

Titleist T100S 2021 Iron Set

Above AverageStiffGlobalGolf
$445

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

Below AverageExtra Stiff2nd Swing
$459

Titleist 2021 T100S Iron Set 4-9 Iron FST KBS Tour Steel X-Stiff Right Handed +1/4"

Below AverageExtra Stiff2nd Swing
$459

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

Below AverageStiff2nd Swing
$459

Titleist 2021 T100S Iron Set 5-PW FST KBS Tour 120 Steel Stiff Right Handed STD

Below AverageStiff2nd Swing
$459

Titleist 2021 T100S Iron Set 5-PW Stock Steel Shaft Steel Stiff Right Handed STD

Below AverageStiff2nd Swing
$459

Titleist T100S Iron Set 4-PW Project X 6.5 Steel X-Stiff Right Handed +1/4"

Below AverageExtra Stiff2nd Swing
$462

Titleist T100S Iron Set

AverageExtra StiffGolf Avenue
$472

Titleist T100S Iron Set

AverageExtra StiffGolf Avenue
$473

Titleist 2021 T100S Iron Set 6-PW True Temper Dynamic Gold X100 Steel X-Stiff Right Handed STD

AverageExtra Stiff2nd Swing
$479

Titleist 2021 T100S Iron Set 6-PW Nippon NS Pro Modus 3 Tour 120 Steel X-Stiff Right Handed +1/4"

AverageExtra Stiff2nd Swing
$479

Titleist 2021 T100S Iron Set 7-PW GW True Temper AMT Red R300 Steel Regular Right Handed +1/4"

AverageRegular2nd Swing
$479

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

AverageExtra Stiff2nd Swing
$479

Titleist 2021 T100S Iron Set 6-PW Stock Steel Shaft Steel X-Stiff Right Handed -1/2"

AverageExtra Stiff2nd Swing
$479

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

AverageStiff2nd Swing
$479

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

AverageStiff2nd Swing
$525

Titleist T100S 2019 Iron Set

AverageStiffGlobalGolf
$525

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

AverageStiff2nd Swing
$526

Titleist 2021 T100S Iron Set 6-PW AW Nippon NS Pro Modus 3 Tour 120 Steel Stiff Right Handed +1"

Below AverageStiff2nd Swing
$528

Titleist T100S Irons

AverageRegularCallaway Pre-Owned
$529

Titleist 2021 T100S Iron Set

AverageRegularGolf Avenue
$531

Titleist 2021 T100S Iron Set

AverageRegularGolf Avenue
$532

Titleist 2021 T100S Iron Set 4-PW Project X LZ 6.5 Steel X-Stiff Right Handed +1/2"

Below AverageExtra Stiff2nd Swing
$536

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

Below AverageStiff2nd Swing
$536

Titleist 2021 T100S Iron Set 4-PW True Temper Dynamic Gold X100 Steel X-Stiff Right Handed -1/2"

Below AverageExtra Stiff2nd Swing
$536

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

Below AverageStiff2nd Swing
$536

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

Below AverageStiff2nd Swing
$536

Titleist T100S 2019 Iron Set 5-Pw, Gw Regular Project X Lz 120 6.0 13053191 Fair

Above AverageRegularMike's Golf Outlet
$539

Titleist T100S Irons

AverageRegularCallaway Pre-Owned
$551
Titleist T100S 2021 used price: ~$670 fair value — canoe.golf