Contract of Glyphic Attenuation
A contract issued by Yama. Present it to him to discuss some new terms.
191,829gp
179,881gp
11,948gp
+8,112gp
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Price history
1 points · hover for detail
Volume · units traded
- 30D low
- 179,881
- 30D high
- 191,829
- Volatility
- 6.4%
Flip calculator
Includes the 2% Grand Exchange tax
+8,112gp
+8,112 per item · +4.51% ROI
- Capital required
- 179,881 gp
- Gross revenue
- 191,829 gp
- GE tax (2%, 3,836/item)
- − 3,836 gp
- Break-even sell
- 183,552 gp
Item data
- High alchemy
- 0 gp
- Low alchemy
- 0 gp
- Shop value
- 75,000 gp
- Weight
- 0.4 kg
- Stack / note
- Not stackable · not noteable
- Released
- May 14, 2025
About Contract of Glyphic Attenuation
The Contract of Glyphic Attenuation is a members-only item in Old School RuneScape.
"A contract issued by Yama. Present it to him to discuss some new terms"
Over the last 30 days it traded between 182,940 and 506,483 gp on the Grand Exchange, averaging 339,769 gp. About 1,941 units changed hands per day. The price is down 24.3% across that window. The Grand Exchange buy limit is 50 every 4 hours. Selling one at the average price costs 6,795 gp in Grand Exchange tax.
How to get Contract of Glyphic Attenuation
5 monsters drop Contract of Glyphic Attenuation, most commonly Yama (Always), Dossier (260/1,740) and Black demon (1/53).
Dropped by
| Monster | Rarity | Quantity |
|---|---|---|
| Yama | Always | 1 |
| Dossier | 260/1,740 | 3 |
| Black demon | 1/53 | 1 |
| Greater demon | 1/81 | 1 |
| Lesser demon | 1/123 | 1 |
Contract of Glyphic Attenuation price history
Daily averages rolled up per month, newest first.
| Month | Average | Low | High | Volume |
|---|---|---|---|---|
| October 202612d | 283,366 | 182,940 | 367,791 | 23,645 |
| September 2026 | 325,415 | 224,483 | 506,483 | 54,829 |
| August 2026 | 221,664 | 138,433 | 317,928 | 69,016 |
| July 2026 | 127,016 | 104,911 | 174,753 | 66,630 |
| June 202621d | 183,577 | 144,381 | 266,337 | 30,716 |
| May 20262d | 269,824 | 264,170 | 275,477 | 1,986 |
| April 20261d | 221,987 | 221,987 | 221,987 | 783 |
| March 2026 | 240,349 | 153,702 | 325,254 | 36,228 |
| February 2026 | 346,753 | 265,548 | 466,072 | 18,030 |
| January 2026 | 228,042 | 130,841 | 424,826 | 17,856 |
Across 10 months of recorded prices Contract of Glyphic Attenuation ranged from 104,911 gp in July 2026 to 506,483 gp in September 2026, measured over 218 trading days.
The 30-day average of 339,769 gp sits around the middle of that range.
All prices in gp. Volume counts units traded across both sides of the Grand Exchange.