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Live · checked today · 3 UK retailers tracked
Callaway BIG Bertha B21 Hybrid vs Prosimmon X9 Hybrid
Quick verdict
Checked daily across 3 UK retailers
Price and availability verdict
Callaway BIG Bertha B21 Hybrid is currently £89.99 used, while Prosimmon X9 Hybrid is currently £19.95 used. against tracked history, Callaway BIG Bertha B21 Hybrid is 11% above its lowest tracked price and Prosimmon X9 Hybrid is at its lowest tracked price. Callaway BIG Bertha B21 Hybrid is currently available from 2 UK retailers, versus 1 for Prosimmon X9 Hybrid.
Callaway
BIG Bertha B21 Hybrid
£89.99 used No change 21% below usual Buy £89.99 → at Nearly New Golf ClubsDeal intelligence
Should you buy now, or wait?
The Prosimmon X9 Hybrid is at its lowest tracked price today. The Callaway BIG Bertha B21 Hybrid has more room: its tracked low is £89.95.
Callaway · BIG Bertha B21 Hybrid
Not enough data yet
Today £99.95 · typical £99.95 · lowest £89.95
On sale 1 time in the last 3 months
Prosimmon · X9 Hybrid
Not enough data yet
Today £19.95 · typical £19.95 · lowest £19.95
Head to head
Category leaders, from the data on this page
- Cheapest new X9 £19.95 vs £89.99
- Closest to its tracked low X9 0% above vs 11%
- Most retailers in stock BIG Bertha B21 2 vs 1
- Cheapest used X9 from £19.95 vs £89.99
Where to buy
3 UK retailers, checked daily
Price trajectory
How each has moved since we started tracking
Lowest tracked price per day, any condition. Caddence tracks both daily. Shaded spans are days we couldn’t collect prices — the lines break rather than guessing.
Callaway · BIG Bertha B21 Hybrid
↓ £59.05
since 13 February 2026
Lowest £89.95 on 11 May 2026
Prosimmon · X9 Hybrid
No change
since 15 July 2026
Lowest £19.95 on 15 July 2026
New vs used
From used listings we track
Callaway · BIG Bertha B21 Hybrid
NEW £89.99
USED FROM £89.99
Prosimmon · X9 Hybrid
NEW £19.95
USED FROM £19.95
Availability by build
Which configurations are in stock right now
| Build | Callaway BIG Bertha B21 Hybrid | Prosimmon X9 Hybrid |
|---|---|---|
| Regular · 19° · Left-hand · Used | 1 retailer · from £99.95 at Replay Golf → | — |
| Regular · 21° · Used | 1 retailer · from £89.99 at Nearly New Golf Clubs → | — |
| Senior · 27° · Used | 1 retailer · from £104.95 at Replay Golf → | — |
| Regular · Used | — | 1 retailer · from £19.95 at Affordable Golf → |
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Common questions about the Callaway BIG Bertha B21 Hybrid vs Prosimmon X9 Hybrid
Prices shown are the cheapest in-stock price per retailer tracked by Caddence, updated daily. Always confirm the final price on the retailer's site.