Iron knife
A finely balanced throwing knife.
Iron knife is a members-only item on the OSRS Grand Exchange. Recent trades put the high price at 42 GP (14m ago) and the low price at 36 GP (9m ago). Buying at the low price and selling at the high price would leave 6 GP per item after the 2% tax (16.67% of the buy price). You can buy up to 7,000 every four hours. High Alchemy would lose 201 GP per cast if you bought it at the low price and paid for the nature rune. 272,236 were traded in the last 24 hours.
| High | 42 GP () |
|---|---|
| Low | 36 GP () |
| Tax | 0 GP |
| Margin | 6 GP |
| ROI | 16.67% |
| Buy limit | 7,000 every 4 hours |
| High alchemy | 1 GP |
Buy price (insta-sell / low): 36 GP
Sell price (insta-buy / high): 42 GP
Margin after tax: 6 GP per unit. No Grand Exchange tax applies at this price.
Buy limit: 7,000 every 4 hours.
The full buy limit of 7,000 Iron knife costs 252,000 GP at the current buy price. Across that quantity, the after-tax margin is 42,000 GP.
- Grand Exchange buy limit: 7,000 every 4 hours
- Members-only item
- High alchemy value: 1 GP
- Low alchemy value: 1 GP
- Base value: 3 GP
Iron knife price history
- Over the past 7 days, the average high ranged from 13 GP to 47 GP across 48 hourly samples. From 2026-11-01 UTC to 2026-11-08 UTC, it moved from 37 GP to 40 GP (+3 GP, +8.11%).
- Over the past 30 days, the average high ranged from 13 GP to 49 GP across 226 hourly samples. From 2026-10-09 UTC to 2026-11-08 UTC, it moved from 44 GP to 40 GP (-4 GP, -9.09%).
- Over the past 90 days, the average high ranged from 13 GP to 49 GP across 727 hourly samples. From 2026-08-10 UTC to 2026-11-08 UTC, it moved from 44 GP to 40 GP (-4 GP, -9.09%).
- Over the past 90 days, the highest average high was 49 GP on 2026-10-11 UTC, and the lowest was 13 GP on 2026-11-05 UTC.
As of 2026-11-08 UTC. See this week's market summary.
To cite this page: QuantScapers, "Iron knife 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 Iron knife?
You can buy up to 7,000 Iron knife every 4 hours on the Grand Exchange.
Is Iron knife a members-only item?
Iron knife is a members-only item and requires OSRS membership to trade.
What is Iron knife's current buy and sell price?
At the latest update, Iron knife's insta-sell (low) price is 36 GP and its insta-buy (high) price is 42 GP on the Grand Exchange.
How much Grand Exchange tax applies to Iron knife?
Iron knife trades below 50 GP at the current quote, so no Grand Exchange tax applies.
What does a full buy limit of Iron knife cost?
Buying the full limit of 7,000 Iron knife costs 252,000 GP at the current insta-sell price of 36 GP each.