Enchant onyx
A tablet containing a magic spell.
Enchant onyx is a members-only item on the OSRS Grand Exchange. Recent trades put the high price at 399 GP (3h ago) and the low price at 202 GP (3d ago). Buying at the low price and selling at the high price would leave 190 GP per item after the 2% tax (94.06% of the buy price). You can buy up to 10,000 every four hours. High Alchemy would lose 365 GP per cast if you bought it at the low price and paid for the nature rune.
| High | 399 GP () |
|---|---|
| Low | 202 GP () |
| Tax | 7 GP |
| Margin | 190 GP |
| ROI | 94.06% |
| Buy limit | 10,000 every 4 hours |
| High alchemy | 1 GP |
Buy price (insta-sell / low): 202 GP
Sell price (insta-buy / high): 399 GP
Margin after tax: 190 GP per unit. Grand Exchange tax on a sale is 7 GP.
Buy limit: 10,000 every 4 hours.
The full buy limit of 10,000 Enchant onyx costs 2,020,000 GP at the current buy price. Across that quantity, the after-tax margin is 1,900,000 GP.
- Grand Exchange buy limit: 10,000 every 4 hours
- Members-only item
- High alchemy value: 1 GP
- Low alchemy value: 1 GP
- Base value: 1 GP
Enchant onyx price history
- Over the past 90 days, the average high ranged from 128 GP to 475 GP across 8 hourly samples. From 2026-08-21 UTC to 2026-11-03 UTC, it moved from 280 GP to 399 GP (+119 GP, +42.50%).
- Over the past 90 days, the highest average high was 475 GP on 2026-10-04 UTC, and the lowest was 128 GP on 2026-10-29 UTC.
As of 2026-11-03 UTC. See this week's market summary.
To cite this page: QuantScapers, "Enchant onyx price history", based on OSRS Wiki real-time price data through 2026-11-03 UTC. Calculations by QuantScapers.
What is the Grand Exchange buy limit for Enchant onyx?
You can buy up to 10,000 Enchant onyx every 4 hours on the Grand Exchange.
Is Enchant onyx a members-only item?
Enchant onyx is a members-only item and requires OSRS membership to trade.
What is Enchant onyx's current buy and sell price?
At the latest update, Enchant onyx's insta-sell (low) price is 202 GP and its insta-buy (high) price is 399 GP on the Grand Exchange.
How much Grand Exchange tax applies to Enchant onyx?
A sale of Enchant onyx pays the standard 2% Grand Exchange tax, which is 7 GP per unit at the current price.
What does a full buy limit of Enchant onyx cost?
Buying the full limit of 10,000 Enchant onyx costs 2,020,000 GP at the current insta-sell price of 202 GP each.