Spiny helmet
You don't want to wear it inside-out.
Spiny helmet is a members-only item on the OSRS Grand Exchange. Recent trades put the high price at 2,000 GP (5m ago) and the low price at 150 GP (58m ago). Buying at the low price and selling at the high price would leave 1,810 GP per item after the 2% tax (1206.67% of the buy price). You can buy up to 125 every four hours. High Alchemy would make 74 GP per cast if you bought it at the low price and paid for the nature rune. 222 were traded in the last 24 hours.
| High | 2,000 GP () |
|---|---|
| Low | 150 GP () |
| Tax | 40 GP |
| Margin | 1,810 GP |
| ROI | 1206.67% |
| Buy limit | 125 every 4 hours |
| High alchemy | 390 GP |
Buy price (insta-sell / low): 150 GP
Sell price (insta-buy / high): 2,000 GP
Margin after tax: 1,810 GP per unit. Grand Exchange tax on a sale is 40 GP.
Buy limit: 125 every 4 hours.
The full buy limit of 125 Spiny helmet costs 18,750 GP at the current buy price. Across that quantity, the after-tax margin is 226,250 GP.
- Grand Exchange buy limit: 125 every 4 hours
- Members-only item
- High alchemy value: 390 GP
- Low alchemy value: 260 GP
- Base value: 650 GP
Spiny helmet price history
- Over the past 7 days, the average high ranged from 1 GP to 2,000 GP across 90 hourly samples. From 2026-11-01 UTC to 2026-11-08 UTC, it moved from 887 GP to 2,000 GP (+1,113 GP, +125.48%).
- Over the past 30 days, the average high ranged from 1 GP to 2,999 GP across 367 hourly samples. From 2026-10-09 UTC to 2026-11-08 UTC, it moved from 2,999 GP to 2,000 GP (-999 GP, -33.31%).
- Over the past 90 days, the average high ranged from 1 GP to 45,000 GP across 918 hourly samples. From 2026-08-10 UTC to 2026-11-08 UTC, it moved from 802 GP to 2,000 GP (+1,198 GP, +149.38%).
- Over the past 90 days, the highest average high was 45,000 GP on 2026-08-17 UTC, and the lowest was 1 GP on 2026-11-01 UTC.
As of 2026-11-08 UTC. See this week's market summary.
To cite this page: QuantScapers, "Spiny helmet price history", based on OSRS Wiki real-time price data through 2026-11-08 UTC. Calculations by QuantScapers.
What is the Grand Exchange buy limit for Spiny helmet?
You can buy up to 125 Spiny helmet every 4 hours on the Grand Exchange.
Is Spiny helmet a members-only item?
Spiny helmet is a members-only item and requires OSRS membership to trade.
What is Spiny helmet's current buy and sell price?
At the latest update, Spiny helmet's insta-sell (low) price is 150 GP and its insta-buy (high) price is 2,000 GP on the Grand Exchange.
How much Grand Exchange tax applies to Spiny helmet?
A sale of Spiny helmet pays the standard 2% Grand Exchange tax, which is 40 GP per unit at the current price.
What does a full buy limit of Spiny helmet cost?
Buying the full limit of 125 Spiny helmet costs 18,750 GP at the current insta-sell price of 150 GP each.