Ultracompost
Ultra-good for the smallest or largest of plants.
Ultracompost is a members-only item on the OSRS Grand Exchange. The latest high price is 497 GP (3m ago) and the low price is 460 GP (2m ago). Buying at the low price and selling at the high price would leave 28 GP per item after the 2% tax (6.09% of the buy price). You can buy up to 2,000 every four hours. Buying one at the low price and casting High Alchemy with a nature rune would lose 575 GP. 520,535 were traded in the last 24 hours.
| High | 497 GP () |
|---|---|
| Low | 460 GP () |
| Tax | 9 GP |
| Margin | 28 GP |
| ROI | 6.09% |
| Buy limit | 2,000 every 4 hours |
| High alchemy | 51 GP |
Buy price (insta-sell / low): 460 GP
Sell price (insta-buy / high): 497 GP
Margin after tax: 28 GP per unit. Grand Exchange tax on a sale is 9 GP.
Buy limit: 2,000 every 4 hours.
The full buy limit of 2,000 Ultracompost costs 920,000 GP at the current buy price. Across that quantity, the after-tax margin is 56,000 GP.
- Grand Exchange buy limit: 2,000 every 4 hours
- Members-only item
- High alchemy value: 51 GP
- Low alchemy value: 34 GP
- Base value: 85 GP
Ultracompost price history
- Over the past 7 days, the average high ranged from 368 GP to 556 GP across 167 hourly samples. From 2026-11-01 UTC to 2026-11-08 UTC, it moved from 473 GP to 497 GP (+24 GP, +5.07%).
- Over the past 30 days, the average high ranged from 368 GP to 696 GP across 715 hourly samples. From 2026-10-09 UTC to 2026-11-08 UTC, it moved from 606 GP to 497 GP (-109 GP, -17.99%).
- Over the past 90 days, the average high ranged from 368 GP to 1,099 GP across 2,021 hourly samples. From 2026-08-10 UTC to 2026-11-08 UTC, it moved from 435 GP to 497 GP (+62 GP, +14.25%).
- Over the past 90 days, the highest average high was 1,099 GP on 2026-10-03 UTC, and the lowest was 368 GP on 2026-11-04 UTC.
As of 2026-11-08 UTC. See this week's market summary.
To cite this page: QuantScapers, "Ultracompost 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 Ultracompost?
You can buy up to 2,000 Ultracompost every 4 hours on the Grand Exchange.
Is Ultracompost a members-only item?
Ultracompost is a members-only item and requires OSRS membership to trade.
What is Ultracompost's current buy and sell price?
At the latest update, Ultracompost's insta-sell (low) price is 460 GP and its insta-buy (high) price is 497 GP on the Grand Exchange.
How much Grand Exchange tax applies to Ultracompost?
A sale of Ultracompost pays the standard 2% Grand Exchange tax, which is 9 GP per unit at the current price.
What does a full buy limit of Ultracompost cost?
Buying the full limit of 2,000 Ultracompost costs 920,000 GP at the current insta-sell price of 460 GP each.