Rock-shell helm

Protective headwear made from crabs. Better than that sounds.

MembersBuy limit 70Armour & WearablesHead

Wiki

Insta-buyHighest recent buy

24,999gp

Insta-sellLowest recent sell

22,502gp

SpreadBefore tax

2,497gp

11.10%

MarginAfter 2% GE tax

+1,998gp

+8.88% ROI

VolumeTraded in 30D

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TrendMid price, 30D

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Price history

1 points · hover for detail

Insta-buy (high)Insta-sell (low)Spread

30D low: 22,502
30D high: 24,999
Volatility: 10.5%

Flip calculator

Includes the 2% Grand Exchange tax

Buy at

Sell at

Quantity

units

Net profitProfitable

+1,998gp

+1,998 per item · +8.88% ROI

Capital required: 22,502 gp
Gross revenue: 24,999 gp
GE tax (2%, 499/item): − 499 gp
Break-even sell: 22,961 gp

Item data

High alchemy: 21,120 gp15.5% below market
Low alchemy: 14,080 gp
Shop value: 35,200 gp
Weight: 2.721 kg
Skill / type: Head
Stack / note: Not stackable · noteable
Released: Aug 1, 2005

About Rock-shell helm

The Rock-shell helm is a members-only piece of equipment in Old School RuneScape.

"Protective headwear made from crabs. Better than that sounds"

Over the last 30 days it traded between 19,473 and 24,276 gp on the Grand Exchange, averaging 21,285 gp. About 39 units changed hands per day. The price is up 9.1% across that window. The Grand Exchange buy limit is 70 every 4 hours. Selling one at the average price costs 425 gp in Grand Exchange tax.

Casting High Level Alchemy returns 21,120 gp, which is 0.8% below the 30-day average price, so alching a bought one loses money.

Recipes

Where this item appears in crafting and processing.

Made from

1× Dagannoth hide, 1× Rock-shell chunk, 5,000× Coins

Rock-shell helm price history

Daily averages rolled up per month, newest first.

Monthly average, low and high price of Rock-shell helm on the Grand Exchange
Month	Average	Low	High	Volume
October 202612d	22,017	19,473	24,276	432
September 2026	21,227	19,482	23,664	2,209
August 2026	22,605	19,550	30,785	1,165
July 2026	21,491	19,903	25,489	2,202
June 202621d	24,233	20,795	34,408	4,561
May 20262d	32,481	30,176	34,786	176
April 20261d	34,451	34,451	34,451	6
March 2026	29,304	21,227	40,827	16,692
February 2026	31,268	20,031	121,806	13,960
January 2026	35,351	19,941	125,360	17,856

Across 10 months of recorded prices Rock-shell helm ranged from 19,473 gp in October 2026 to 125,360 gp in January 2026, measured over 218 trading days.

The 30-day average of 21,285 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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