772,231gp
745,097gp
27,134gp
+11,690gp
—
—
Price history
1 points · hover for detail
Volume · units traded
- 30D low
- 745,097
- 30D high
- 772,231
- Volatility
- 3.6%
Flip calculator
Includes the 2% Grand Exchange tax
+11,690gp
+11,690 per item · +1.57% ROI
- Capital required
- 745,097 gp
- Gross revenue
- 772,231 gp
- GE tax (2%, 15,444/item)
- − 15,444 gp
- Break-even sell
- 760,303 gp
Item data
- High alchemy
- 33,792 gp95.6% below market
- Low alchemy
- 22,528 gp
- Shop value
- 56,320 gp
- Weight
- 3.628 kg
- Skill / type
- Head
- Stack / note
- Not stackable · noteable
- Released
- Jun 1, 2017
About Obsidian helmet
The Obsidian helmet is a members-only piece of equipment in Old School RuneScape.
"Provides excellent protection"
Over the last 30 days it traded between 685,511 and 937,740 gp on the Grand Exchange, averaging 765,768 gp. About 362 units changed hands per day. The price is up 12.0% across that window. The Grand Exchange buy limit is 70 every 4 hours. Selling one at the average price costs 15,315 gp in Grand Exchange tax.
Casting High Level Alchemy returns 33,792 gp, which is 95.6% below the 30-day average price, so alching a bought one loses money.
How to get Obsidian helmet
Only TzHaar-Ket (1/2,000) drops Obsidian helmet. Only TzHaar-Hur-Zal's Equipment Store and TzHaar-Hur-Zal's Equipment Store sell it.
Dropped by
| Monster | Rarity | Quantity |
|---|---|---|
| TzHaar-Ket | 1/2,000 | 1 |
Sold in shops
| Shop | Price | Stock |
|---|---|---|
| TzHaar-Hur-Zal's Equipment Store | 73,216 Tokkul | 1 |
| TzHaar-Hur-Zal's Equipment Store | 84,480 Tokkul | 1 |
Obsidian helmet price history
Daily averages rolled up per month, newest first.
| Month | Average | Low | High | Volume |
|---|---|---|---|---|
| October 202612d | 806,268 | 742,043 | 937,740 | 5,418 |
| September 2026 | 743,313 | 685,511 | 836,716 | 8,786 |
| August 2026 | 722,193 | 623,476 | 770,099 | 12,121 |
| July 2026 | 766,183 | 655,312 | 942,344 | 12,328 |
| June 202621d | 762,575 | 718,809 | 820,586 | 7,648 |
| May 20262d | 753,039 | 730,180 | 775,897 | 449 |
| April 20261d | 783,491 | 783,491 | 783,491 | 189 |
| March 2026 | 675,985 | 602,243 | 731,969 | 19,139 |
| February 2026 | 581,517 | 514,650 | 715,900 | 16,483 |
| January 2026 | 532,005 | 481,379 | 584,690 | 17,856 |
Across 10 months of recorded prices Obsidian helmet ranged from 481,379 gp in January 2026 to 942,344 gp in July 2026, measured over 218 trading days.
The 30-day average of 765,768 gp sits around the middle of that range.
All prices in gp. Volume counts units traded across both sides of the Grand Exchange.
Similar items
Comparable armour & wearables
