Depreciation Index

Callaway Epic Flash · 2019 — Drivers

All figures as observed on 4 November 2026. · n = 53

← Depreciation Index

Median asking price today

€163

n = 51

95% CI ±11.8%

Retained against the newest generation

42.4%

n = 62 · Newest generation observed: model year 2026.

Reference age

93

months

Median days listed

89

n = 53

These listings have not sold, so this is a floor on days to sell, not days to sell.

2 observations excluded by interquartile rule before the median.

01

Depreciation curve — Drivers

Category cross-section: monthly discount rate −0.7% · R² 0.92 · n = 13
100150200250300350M+0M+24M+48M+72M+96M+120M+1442019 · n = 238

Reference age, months since launch proxy

Median asking price by model year, all brands in the category, on one day. Each point carries its sample size. The fitted line is a constant monthly discount rate on the log of price. This is a correlation, not a causal estimate.
Model yearAge, monthsMedian pricen
20269€385412
202521€3101,940
202433€3071,064
202345€248753
202257€235792
202169€301323
202081€209380
201993€205238
2018105€182223
2017117€182137
2016129€149193
2015141€13792
2014153€143181
02

Splits

By condition

ConditionMedian pricen
Fair€15633
Good€18219
Poor€1151

By region

RegionMedian pricen
UK€16353
03

Value retention inside Drivers

BrandRetention, % of the newest mediann newestn at 2–4 years
Callaway85.6565533
Ping78.514991
TaylorMade76.7538827
Cleveland76.0530
Wilson74.319149
Cobra72.0501223
Titleist69.7105590
Srixon66.017174
Mizuno65.76799
PXG60.34787

Base 100 on each brand's own newest generation in the category: median price at 2–4 years divided by median price of the current generation, on one day. A ratio, so brands in different price bands are comparable. This is a correlation, not a causal estimate.

04

Anomaly flags

  • Interquartile exclusion removed at least one observation.

The series

Daily collection on this Reference opened 26 August 2026. 35 observation days so far, 53 observations. A fitted curve for this Reference alone needs the series; until it exists we publish the category cross-section above and say so.

Permitted sources read for this Reference

  • GolfClubs4Cash — www.golfclubs4cash.co.uk (UK)

Reseller's own reference price, median £175, n = 3. This is the reseller's struck-through price, not a launch price.

Median asking price €163, n = 51, 95% CI ±11.8%, last observation 4 November 2026.

One per company. No call, no follow-up sequence. One-time. PDF and the CSV of observations.