Rock hammer
I can even smash stone with this.
Rock hammer is a members-only item on the OSRS Grand Exchange. Recent trades put the high price at 445 GP (1m ago) and the low price at 400 GP (1h ago). Buying at the low price and selling at the high price would leave 37 GP per item after the 2% tax (9.25% of the buy price). You can buy up to 40 every four hours. High Alchemy would lose 266 GP per cast if you bought it at the low price and paid for the nature rune. 172 were traded in the last 24 hours.
| High | 445 GP () |
|---|---|
| Low | 400 GP () |
| Tax | 8 GP |
| Margin | 37 GP |
| ROI | 9.25% |
| Buy limit | 40 every 4 hours |
| High alchemy | 300 GP |
Buy price (insta-sell / low): 400 GP
Sell price (insta-buy / high): 445 GP
Margin after tax: 37 GP per unit. Grand Exchange tax on a sale is 8 GP.
Buy limit: 40 every 4 hours.
The full buy limit of 40 Rock hammer costs 16,000 GP at the current buy price. Across that quantity, the after-tax margin is 1,480 GP.
- Grand Exchange buy limit: 40 every 4 hours
- Members-only item
- High alchemy value: 300 GP
- Low alchemy value: 200 GP
- Base value: 500 GP
Rock hammer price history
- Over the past 7 days, the average high ranged from 408 GP to 2,000 GP across 39 hourly samples. From 2026-11-01 UTC to 2026-11-08 UTC, it moved from 2,000 GP to 418 GP (-1,582 GP, -79.10%).
- Over the past 30 days, the average high ranged from 195 GP to 2,000 GP across 176 hourly samples. From 2026-10-09 UTC to 2026-11-08 UTC, it moved from 500 GP to 418 GP (-82 GP, -16.40%).
- Over the past 90 days, the average high ranged from 45 GP to 20,000 GP across 503 hourly samples. From 2026-08-10 UTC to 2026-11-08 UTC, it moved from 1,202 GP to 418 GP (-784 GP, -65.22%).
- Over the past 90 days, the highest average high was 20,000 GP on 2026-08-29 UTC, and the lowest was 45 GP on 2026-09-12 UTC.
As of 2026-11-08 UTC. See this week's market summary.
To cite this page: QuantScapers, "Rock hammer 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 Rock hammer?
You can buy up to 40 Rock hammer every 4 hours on the Grand Exchange.
Is Rock hammer a members-only item?
Rock hammer is a members-only item and requires OSRS membership to trade.
What is Rock hammer's current buy and sell price?
At the latest update, Rock hammer's insta-sell (low) price is 400 GP and its insta-buy (high) price is 445 GP on the Grand Exchange.
How much Grand Exchange tax applies to Rock hammer?
A sale of Rock hammer pays the standard 2% Grand Exchange tax, which is 8 GP per unit at the current price.
What does a full buy limit of Rock hammer cost?
Buying the full limit of 40 Rock hammer costs 16,000 GP at the current insta-sell price of 400 GP each.