Compare / hybrid
Live · checked today · 8 UK retailers tracked
Callaway BIG Bertha B21 Hybrid vs Ladies Cobra Optm Hybrid
Quick verdict
Checked daily across 8 UK retailers
Price and availability verdict
Callaway BIG Bertha B21 Hybrid is currently £84.95 used, while Ladies Cobra Optm Hybrid is currently £199. Deal scores are Ladies Cobra Optm Hybrid 96/100; against tracked history, Callaway BIG Bertha B21 Hybrid is at its lowest tracked price and Ladies Cobra Optm Hybrid is at its lowest tracked price. Callaway BIG Bertha B21 Hybrid is currently available from 2 UK retailers, versus 6 for Ladies Cobra Optm Hybrid.
Deal intelligence
Should you buy now, or wait?
Both are at their lowest tracked prices today.
Callaway · BIG Bertha B21 Hybrid
Not enough data yet
Today £84.95 · typical £94.95 · lowest £84.95
On sale 2 times in the last 3 months
Cobra · Ladies Cobra Optm Hybrid
Excellent deal today
Today £199 · typical £249 · lowest £199
On sale 1 time in the last 5 months
Head to head
Category leaders, from the data on this page
- Cheapest new BIG Bertha B21 £84.95 vs £199
- Most retailers in stock Ladies Cobra Optm 6 vs 2
Specification differences
Published product specifications
| Specification | Callaway BIG Bertha B21 Hybrid | Ladies Cobra Optm Hybrid |
|---|---|---|
| Release year | 2021 | 2026 |
Where to buy
8 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
↓ £35
since 13 April 2026
Lowest £84.95 on 18 August 2026
Cobra · Ladies Cobra Optm Hybrid
↓ £50
since 24 February 2026
Lowest £199 on 17 August 2026
New vs used
From used listings we track
Callaway · BIG Bertha B21 Hybrid
NEW £84.95
USED FROM £84.95
Availability by build
Which configurations are in stock right now
| Build | Callaway BIG Bertha B21 Hybrid | Ladies Cobra Optm Hybrid |
|---|---|---|
| Ladies · 24° | — | 3 retailers · from £199 at Dormy Golf → |
| Ladies | — | 3 retailers · from £249 at Silvermere Golf Store → |
| Ladies · 21° | — | 2 retailers · from £199 at Dormy Golf → |
| Ladies · 28° | — | 2 retailers · from £199 at Dormy Golf → |
| Regular · 19° · Left-hand · Used | 1 retailer · from £84.95 at Replay Golf → | — |
| Regular · 21° · Used | 1 retailer · from £89.99 at Nearly New Golf Clubs → | — |
| Ladies · 31° | — | 1 retailer · from £199 at Dormy Golf → |
Waiting for a better price?
Set a free alert and we’ll email you when either drops to your target.
Related hybrid comparisons
More head-to-head price checks
Common questions about the Callaway BIG Bertha B21 Hybrid vs Ladies Cobra Optm 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.