Onyx
This looks valuable.
Onyx is a members-only item on the OSRS Grand Exchange. Recent trades put the high price at 2,083,924 GP (8m ago) and the low price at 2,056,000 GP (23m ago). Buying at the low price and selling at the high price would lose 13,754 GP per item after the 2% tax (-0.67% of the buy price). You can buy up to 11,000 every four hours. High Alchemy would lose 1,936,166 GP per cast if you bought it at the low price and paid for the nature rune. 167 were traded in the last 24 hours.
| High | 2,083,924 GP () |
|---|---|
| Low | 2,056,000 GP () |
| Tax | 41,678 GP |
| Margin | -13,754 GP |
| ROI | -0.67% |
| Buy limit | 11,000 every 4 hours |
| High alchemy | 120,000 GP |
Buy price (insta-sell / low): 2,056,000 GP
Sell price (insta-buy / high): 2,083,924 GP
Margin after tax: -13,754 GP per unit. Grand Exchange tax on a sale is 41,678 GP.
Buy limit: 11,000 every 4 hours.
The full buy limit of 11,000 Onyx costs 22,616,000,000 GP at the current buy price. Across that quantity, the after-tax margin is -151,294,000 GP.
- Grand Exchange buy limit: 11,000 every 4 hours
- Members-only item
- High alchemy value: 120,000 GP
- Low alchemy value: 80,000 GP
- Base value: 200,000 GP
Onyx price history
- Over the past 7 days, the average high ranged from 1,977,652 GP to 2,087,165 GP across 23 hourly samples. From 2026-11-01 UTC to 2026-11-08 UTC, it moved from 2,083,830 GP to 2,087,165 GP (+3,335 GP, +0.16%).
- Over the past 30 days, the average high ranged from 1,977,652 GP to 2,885,317 GP across 83 hourly samples. From 2026-10-10 UTC to 2026-11-08 UTC, it moved from 2,640,000 GP to 2,087,165 GP (-552,835 GP, -20.94%).
- Over the past 90 days, the average high ranged from 1,977,652 GP to 3,051,200 GP across 183 hourly samples. From 2026-08-11 UTC to 2026-11-08 UTC, it moved from 2,710,000 GP to 2,087,165 GP (-622,835 GP, -22.98%).
- Over the past 90 days, the highest average high was 3,051,200 GP on 2026-09-03 UTC, and the lowest was 1,977,652 GP on 2026-11-06 UTC.
As of 2026-11-08 UTC. See this week's market summary.
To cite this page: QuantScapers, "Onyx 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 Onyx?
You can buy up to 11,000 Onyx every 4 hours on the Grand Exchange.
Is Onyx a members-only item?
Onyx is a members-only item and requires OSRS membership to trade.
What is Onyx's current buy and sell price?
At the latest update, Onyx's insta-sell (low) price is 2,056,000 GP and its insta-buy (high) price is 2,083,924 GP on the Grand Exchange.
How much Grand Exchange tax applies to Onyx?
A sale of Onyx pays the standard 2% Grand Exchange tax, which is 41,678 GP per unit at the current price.
What does a full buy limit of Onyx cost?
Buying the full limit of 11,000 Onyx costs 22,616,000,000 GP at the current insta-sell price of 2,056,000 GP each.