Compare / hybrid
Live · checked today · 2 UK retailers tracked
Callaway BIG Bertha Alpha 815 Hybrid vs Mizuno JPX 921 Fli-Hi Hybrid
Quick verdict
Checked daily across 2 UK retailers
Price and availability verdict
Callaway BIG Bertha Alpha 815 Hybrid is currently £89.95 used, while Mizuno JPX 921 Fli-Hi Hybrid is currently £89.95 used. Against tracked history, Callaway BIG Bertha Alpha 815 Hybrid is at its lowest tracked price and Mizuno JPX 921 Fli-Hi Hybrid is 20% above its lowest tracked price. Both are currently available from 1 UK retailer.
Callaway
BIG Bertha Alpha 815 Hybrid
£89.95 used No change 10% below usual Buy £89.95 → at Replay GolfDeal intelligence
Should you buy now, or wait?
The Callaway BIG Bertha Alpha 815 Hybrid is at its lowest tracked price today. The Mizuno JPX 921 Fli-Hi Hybrid has more room: its tracked low is £74.95.
Callaway · BIG Bertha Alpha 815 Hybrid
Not enough data yet
Today £89.95 · typical £119.95 · lowest £89.95
On sale 1 time in the last 3 months
Mizuno · JPX 921 Fli-Hi Hybrid
Not enough data yet
Today £89.95 · typical £79.95 · lowest £74.95
On sale 1 time in the last 2 months
Specification differences
Published product specifications
| Specification | Callaway BIG Bertha Alpha 815 Hybrid | Mizuno JPX 921 Fli-Hi Hybrid |
|---|---|---|
| Release year | 2020 | 2022 |
Where to buy
2 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 Alpha 815 Hybrid
↓ £30
since 9 April 2026
Lowest £89.95 on 12 April 2026
Mizuno · JPX 921 Fli-Hi Hybrid
↑ £15
since 13 April 2026
Lowest £74.95 on 13 April 2026
New vs used
From used listings we track
Callaway · BIG Bertha Alpha 815 Hybrid
NEW £89.95
USED FROM £89.95
Mizuno · JPX 921 Fli-Hi Hybrid
NEW £89.95
USED FROM £89.95
Availability by build
Which configurations are in stock right now
| Build | Callaway BIG Bertha Alpha 815 Hybrid | Mizuno JPX 921 Fli-Hi Hybrid |
|---|---|---|
| Extra Stiff · 20° · Used | 1 retailer · from £119.95 at Replay Golf → | — |
| Regular · Used | 1 retailer · from £89.95 at Replay Golf → | 1 retailer · from £89.95 at Affordable Golf → |
| Stiff · 18° · Used | 1 retailer · from £89.95 at Replay Golf → | — |
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Common questions about the Callaway BIG Bertha Alpha 815 Hybrid vs Mizuno JPX 921 Fli-Hi 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.