You'll need something to break through that shell.
913 gp
Updated 1d ago
Rainbow crab (3) is currently trading at 913 gp on the Grand Exchange and is down 23.9% over the last 24 hours. Current instant-buy and instant-sell prices are 825 gp and 1.0k gp.
Category: weapons · Members only · View on OSRS Wiki
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Rainbow Crab (3) is a members-only item on the OSRS Grand Exchange in the weapons category.
In-game examine text: "You'll need something to break through that shell."
It has a high alchemy value of 180 gp and item ID 31683.
Margin: 155 gp per flip
Volume: 17,915 trades / 24h
Buy limit: — every 4 hours
Max profit/cycle: —
Verdict: High margin with healthy liquidity
Rainbow Crab (3) shows an active flip setup with a margin of +155 gp and 17,915 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 |
|---|---|---|---|---|---|
| 1d ago(8/4/2026) | 825 | 13 | — | – | – |
| 1d ago(8/3/2026) | 810 | 1 | — | – | – |
| 1d ago(8/3/2026) | — | – | 1.0k | 100 | – |
| 1d ago(8/3/2026) | — |
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| – |
| 1.0k |
| 100 |
| – |
| 1d ago(8/3/2026) | — | – | 739 | 12 | – |
| 1d ago(8/3/2026) | 739 | 1 | — | – | – |
| 1d ago(8/3/2026) | — | – | 1.0k | 1 | – |
| 2d ago(8/2/2026) | 739 | 39 | — | – | – |
| 2d ago(8/2/2026) | 739 | 4 | 739 | 4 | 0 |
| 2d ago(8/2/2026) | 739 | 1 | — | – | – |
| 2d ago(8/2/2026) | 740 | 1 | — | – | – |
| 2d ago(8/2/2026) | 739 | 8 | — | – | – |