Black warhammer
I don't think it's intended for joinery.
Black warhammer is a free-to-play item on the OSRS Grand Exchange. Recent trades put the high price at 2,900 GP (6m ago) and the low price at 811 GP (7m ago). Buying at the low price and selling at the high price would leave 2,031 GP per item after the 2% tax (250.43% of the buy price). You can buy up to 125 every four hours. High Alchemy would lose 389 GP per cast if you bought it at the low price and paid for the nature rune. 258 were traded in the last 24 hours.
| High | 2,900 GP () |
|---|---|
| Low | 811 GP () |
| Tax | 58 GP |
| Margin | 2,031 GP |
| ROI | 250.43% |
| Buy limit | 125 every 4 hours |
| High alchemy | 588 GP |
Buy price (insta-sell / low): 811 GP
Sell price (insta-buy / high): 2,900 GP
Margin after tax: 2,031 GP per unit. Grand Exchange tax on a sale is 58 GP.
Buy limit: 125 every 4 hours.
The full buy limit of 125 Black warhammer costs 101,375 GP at the current buy price. Across that quantity, the after-tax margin is 253,875 GP.
- Grand Exchange buy limit: 125 every 4 hours
- Free-to-play item
- High alchemy value: 588 GP
- Low alchemy value: 392 GP
- Base value: 980 GP
Black warhammer price history
- Over the past 7 days, the average high ranged from 272 GP to 1,200 GP across 15 hourly samples. From 2026-11-01 UTC to 2026-11-06 UTC, it moved from 283 GP to 412 GP (+129 GP, +45.58%).
- Over the past 30 days, the average high ranged from 156 GP to 938,547 GP across 68 hourly samples. From 2026-10-09 UTC to 2026-11-06 UTC, it moved from 666 GP to 412 GP (-254 GP, -38.14%).
- Over the past 90 days, the average high ranged from 156 GP to 938,547 GP across 161 hourly samples. From 2026-08-14 UTC to 2026-11-06 UTC, it moved from 385 GP to 412 GP (+27 GP, +7.01%).
- Over the past 90 days, the highest average high was 938,547 GP on 2026-10-31 UTC, and the lowest was 156 GP on 2026-10-27 UTC.
As of 2026-11-06 UTC. See this week's market summary.
To cite this page: QuantScapers, "Black warhammer price history", based on OSRS Wiki real-time price data through 2026-11-06 UTC. Calculations by QuantScapers.
What is the Grand Exchange buy limit for Black warhammer?
You can buy up to 125 Black warhammer every 4 hours on the Grand Exchange.
Is Black warhammer a members-only item?
Black warhammer is available to free-to-play players. No membership is required to trade it.
What is Black warhammer's current buy and sell price?
At the latest update, Black warhammer's insta-sell (low) price is 811 GP and its insta-buy (high) price is 2,900 GP on the Grand Exchange.
How much Grand Exchange tax applies to Black warhammer?
A sale of Black warhammer pays the standard 2% Grand Exchange tax, which is 58 GP per unit at the current price.
What does a full buy limit of Black warhammer cost?
Buying the full limit of 125 Black warhammer costs 101,375 GP at the current insta-sell price of 811 GP each.