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Rainbow crab (3)
You'll need something to break through that shell.
1,991gp
1,000gp
991gp
+952gp
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Price history
1 points · hover for detail
- 30D low
- 1,000
- 30D high
- 1,991
- Volatility
- 66.3%
Flip calculator
Includes the 2% Grand Exchange tax
+952gp
+952 per item · +95.20% ROI
- Capital required
- 1,000 gp
- Gross revenue
- 1,991 gp
- GE tax (2%, 39/item)
- − 39 gp
- Break-even sell
- 1,020 gp
Item data
- High alchemy
- 180 gp91.0% below market
- Low alchemy
- 120 gp
- Shop value
- 300 gp
- Weight
- 0.6 kg
- Skill / type
- Herblore
- Stack / note
- Not stackable · not noteable
- Released
- Nov 19, 2025
About Rainbow crab (3)
The Rainbow crab (3) is a members-only potion in Old School RuneScape.
"You'll need something to break through that shell"
Over the last 30 days it traded between 724 and 1,954 gp on the Grand Exchange, averaging 1,138 gp. About 98 units changed hands per day. The price is up 61.7% across that window. Selling one at the average price costs 22 gp in Grand Exchange tax.
Casting High Level Alchemy returns 180 gp, which is 84.2% below the 30-day average price, so alching a bought one loses money.
Rainbow crab (3) price history
Daily averages rolled up per month, newest first.
| Month | Average | Low | High | Volume |
|---|---|---|---|---|
| October 202612d | 1,436 | 942 | 1,496 | 664 |
| September 2026 | 1,859 | 724 | 6,148 | 2,420 |
| August 2026 | 2,853 | 736 | 5,683 | 2,975 |
| July 2026 | 1,404 | 604 | 6,015 | 12,062 |
| June 202621d | 1,890 | 1,399 | 6,565 | 4,431 |
| May 20262d | 1,599 | 1,561 | 1,636 | 39 |
| April 20261d | 1,746 | 1,746 | 1,746 | 1 |
| March 2026 | 1,557 | 1,395 | 1,831 | 16,536 |
| February 2026 | 1,570 | 900 | 3,567 | 16,152 |
| January 2026 | 2,464 | 1,138 | 6,461 | 17,856 |
Across 10 months of recorded prices Rainbow crab (3) ranged from 604 gp in July 2026 to 6,565 gp in June 2026, measured over 217 trading days.
The 30-day average of 1,138 gp sits in the lower third of that range.
All prices in gp. Volume counts units traded across both sides of the Grand Exchange.
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