Transformers — Hasbro Studio Series
KSI BOSS
Line
Studio Series
Scale
6in
Maker
Hasbro
Era
Modern Era
FigurePinner price · real eBay solds
Bid check$before shipping
NewNot enough sealed sales to call it
Used$54.57 · 4 sales
eBay link is an affiliate link — costs you nothing, keeps the data free.
Recent eBay Sales
6 sales on record · Sep 2026
Sealed / CardedInsufficient recent comps (2)
Loose4 sold$54.57medianThin data
Sep 19NewBuy It Now$79.99
Sep 16UsedBuy It Now$50
NewAuction$63
UsedBest Offer$54.57
UsedBest Offer$54.57
UsedBuy It Now$64.95
KSI Boss as the human-built Transformer antagonist drawn from the Transformers live-action film universe.
- Hasbro Studio Series Voyager Class
- 2019
- 6 inch scale
- includes swappable Hong Kong Pursuit backdrop.
The KSI Boss (Studio Series · Voyager Class) is a 6in action figure by Hasbro in the Studio Series line. Recent eBay sold prices: not enough recent sealed comps to price (2 sold), $54.57 loose (4 sold, thin data).
About This Figure
Ksi Boss from Hasbro's Studio Series line (Modern Era).
Film-accurate Transformers at mass retail — each figure derived directly from the CGI model used in the Michael Bay films, with backdrop dioramas that collectors stack to build full scenes.
Retail: $34.99 → Market: $54.57 (↑56% above retail)
New to pricing? Learn how to read eBay sold listings, what sealed vs. loose does to a price, and the Transformers collecting guide.
How to Identify This Exact Release
Sealed vs. Loose Market Value
SEALED / CARDED
—
2 sales on record — not enough to quote a median (needs 3)
LOW — under 3, no median
LOOSE
$55
4 comps · range $50–$65
MEDIUM — thin, n<10
Based on raw eBay sold listings. We're building a cleaning step to automatically exclude lots, parts sales and wrong-variant listings before this shows a number — until then, treat thin buckets with extra caution.
