You'll need something to break through that shell.
261 gp
Updated 8h ago
Blue crab is currently trading at 261 gp on the Grand Exchange and is down 27.1% over the last 24 hours. Current instant-buy and instant-sell prices are 250 gp and 271 gp.
Category: other · Members only · View on OSRS Wiki
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Blue Crab is a members-only item on the OSRS Grand Exchange in the other category.
In-game examine text: "You'll need something to break through that shell."
It has a high alchemy value of 75 gp and item ID 31674.
Margin: 16 gp per flip
Volume: 307,219 trades / 24h
Buy limit: — every 4 hours
Max profit/cycle: —
Verdict: High margin with healthy liquidity
Blue Crab shows an active flip setup with a margin of +16 gp and 307,219 trades over the last 24 hours.
Liquidity looks healthy enough to work the spread — high margin with healthy liquidity.
| Time | Buy avg | Buy vol | Sell avg | Sell vol | Margin |
|---|---|---|---|---|---|
| 8h ago(8/5/2026) | 250 | 1 | — | – | – |
| 16h ago(8/4/2026) | — | – | 339 | 1119 | – |
| 18h ago(8/4/2026) | 250 | 10 | 295 | 10 | 45 |
| 19h ago(8/4/2026) | 250 |
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| 19 |
| — |
| – |
| – |
| 21h ago(8/4/2026) | — | – | 275 | 30 | – |
| 22h ago(8/4/2026) | 250 | 2 | — | – | – |
| 22h ago(8/4/2026) | — | – | 254 | 143 | – |
| 1d ago(8/4/2026) | — | – | 254 | 1 | – |
| 1d ago(8/4/2026) | 250 | 5 | — | – | – |
| 1d ago(8/3/2026) | — | – | 275 | 300 | – |
| 1d ago(8/3/2026) | — | – | 273 | 175 | – |
| 1d ago(8/3/2026) | 250 | 20 | — | – | – |
Blue cape
115 gp