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Live · checked today · 6 UK retailers tracked
Callaway Quantum MAX OS Iron Set vs Mizuno JPX 921 HOT Metal PRO Iron Set
Quick verdict
Checked daily across 6 UK retailers
Price and availability verdict
Callaway Quantum MAX OS Iron Set is currently £699 used, while Mizuno JPX 921 HOT Metal PRO Iron Set is currently £449.99 used. Deal scores are Callaway Quantum MAX OS Iron Set 61/100; against tracked history, Callaway Quantum MAX OS Iron Set is 399% above its lowest tracked price and Mizuno JPX 921 HOT Metal PRO Iron Set is at its lowest tracked price. Callaway Quantum MAX OS Iron Set is currently available from 5 UK retailers, versus 1 for Mizuno JPX 921 HOT Metal PRO Iron Set.
Callaway
Quantum MAX OS Iron Set
£749 used from £699 No change at its low Buy £749 → at Golf Gear DirectMizuno
JPX 921 HOT Metal PRO Iron Set
£449.99 used No change at its low Buy £449.99 → at Nearly New Golf ClubsMizuno
JPX 921 HOT Metal PRO Iron Set
£449.99 used
at Nearly New Golf Clubs
Deal intelligence
Should you buy now, or wait?
The Mizuno JPX 921 HOT Metal PRO Iron Set is at its lowest tracked price today. The Callaway Quantum MAX OS Iron Set has more room: its tracked low is £150.
Callaway · Quantum MAX OS Iron Set
Good deal today
Today £749 · typical £749 · lowest £150
On sale 1 time in the last 5 months
Mizuno · JPX 921 HOT Metal PRO Iron Set
Not enough data yet
Today £449.95 · typical £779 · lowest £449.95
On sale 1 time in the last 4 months
Head to head
Category leaders, from the data on this page
- Cheapest new JPX 921 HOT Metal PRO £449.99 vs £749
- Closest to its tracked low JPX 921 HOT Metal PRO 0% above vs 399%
- Most retailers in stock Quantum MAX OS 5 vs 1
- Cheapest used JPX 921 HOT Metal PRO from £449.99 vs £699
Where to buy
6 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 · Quantum MAX OS Iron Set
↓ £151
since 13 February 2026
Lowest £150 on 4 March 2026
Mizuno · JPX 921 HOT Metal PRO Iron Set
↓ £449.05
since 21 February 2026
Lowest £449.95 on 28 July 2026
New vs used
From used listings we track
Callaway · Quantum MAX OS Iron Set
NEW £749
USED FROM £699
Used prices average 93% of new · 1 used listing tracked
Mizuno · JPX 921 HOT Metal PRO Iron Set
NEW £449.99
USED FROM £449.99
Availability by build
Which configurations are in stock right now
| Build | Callaway Quantum MAX OS Iron Set | Mizuno JPX 921 HOT Metal PRO Iron Set |
|---|---|---|
| Regular | 4 retailers · from £749 at Golf Gear Direct → | — |
| Regular · Left-hand | 2 retailers · from £899 at Affordable Golf → | — |
| Stiff · Left-hand | 2 retailers · from £899 at Affordable Golf → | — |
| Stiff | 2 retailers · from £899 at Affordable Golf → | — |
| Standard | 1 retailer · from £899 at Affordable Golf → | — |
| Senior · Used | 1 retailer · from £699 at Preowned Golf → | — |
| Left-hand | 1 retailer · from £899 at Affordable Golf → | — |
| Senior · Left-hand | 1 retailer · from £900 at Jam Golf → | — |
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Common questions about the Callaway Quantum MAX OS Iron Set vs Mizuno JPX 921 HOT Metal PRO Iron Set
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.