Sinister key
You get a sense of dread from this key.
Sinister key is a members-only item on the OSRS Grand Exchange. Recent trades put the high price at 17,701 GP (5m ago) and the low price at 17,701 GP (2m ago). Buying at the low price and selling at the high price would lose 354 GP per item after the 2% tax (-2.00% of the buy price). You can buy up to 11,000 every four hours. High Alchemy would lose 17,819 GP per cast if you bought it at the low price and paid for the nature rune. 1,266 were traded in the last 24 hours.
| High | 17,701 GP () |
|---|---|
| Low | 17,701 GP () |
| Tax | 354 GP |
| Margin | -354 GP |
| ROI | -2.00% |
| Buy limit | 11,000 every 4 hours |
| High alchemy | 48 GP |
Buy price (insta-sell / low): 17,701 GP
Sell price (insta-buy / high): 17,701 GP
Margin after tax: -354 GP per unit. Grand Exchange tax on a sale is 354 GP.
Buy limit: 11,000 every 4 hours.
The full buy limit of 11,000 Sinister key costs 194,711,000 GP at the current buy price. Across that quantity, the after-tax margin is -3,894,000 GP.
- Grand Exchange buy limit: 11,000 every 4 hours
- Members-only item
- High alchemy value: 48 GP
- Low alchemy value: 32 GP
- Base value: 80 GP
Sinister key price history
- Over the past 7 days, the average high ranged from 16,169 GP to 18,586 GP across 7 hourly samples. From 2026-11-01 UTC to 2026-11-08 UTC, it moved from 18,463 GP to 16,816 GP (-1,647 GP, -8.92%).
- Over the past 30 days, the average high ranged from 16,169 GP to 23,900 GP across 36 hourly samples. From 2026-10-10 UTC to 2026-11-08 UTC, it moved from 20,118 GP to 16,816 GP (-3,302 GP, -16.41%).
- Over the past 90 days, the average high ranged from 16,169 GP to 33,000 GP across 105 hourly samples. From 2026-08-11 UTC to 2026-11-08 UTC, it moved from 19,744 GP to 16,816 GP (-2,928 GP, -14.83%).
- Over the past 90 days, the highest average high was 33,000 GP on 2026-08-31 UTC, and the lowest was 16,169 GP on 2026-11-05 UTC.
As of 2026-11-08 UTC. See this week's market summary.
To cite this page: QuantScapers, "Sinister key 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 Sinister key?
You can buy up to 11,000 Sinister key every 4 hours on the Grand Exchange.
Is Sinister key a members-only item?
Sinister key is a members-only item and requires OSRS membership to trade.
What is Sinister key's current buy and sell price?
At the latest update, Sinister key's insta-sell (low) price is 17,701 GP and its insta-buy (high) price is 17,701 GP on the Grand Exchange.
How much Grand Exchange tax applies to Sinister key?
A sale of Sinister key pays the standard 2% Grand Exchange tax, which is 354 GP per unit at the current price.
What does a full buy limit of Sinister key cost?
Buying the full limit of 11,000 Sinister key costs 194,711,000 GP at the current insta-sell price of 17,701 GP each.