Aether catalyst
A piece of the cosmos' soul? Or souls belonging to the cosmos?
372gp
370gp
2gp
-5gp
—
—
Price history
1 points · hover for detail
Volume · units traded
- 30D low
- 370
- 30D high
- 372
- Volatility
- 0.5%
Flip calculator
Includes the 2% Grand Exchange tax
-5gp
-5 per item · -1.35% ROI
Tax puts break-even at 377 gp.
- Capital required
- 370 gp
- Gross revenue
- 372 gp
- GE tax (2%, 7/item)
- − 7 gp
- Break-even sell
- 377 gp
Item data
- High alchemy
- 120 gp67.7% below market
- Low alchemy
- 80 gp
- Shop value
- 200 gp
- Weight
- 0 kg
- Skill / type
- Runecraft
- Stack / note
- Not stackable · not noteable
- Released
- May 14, 2025
About Aether catalyst
The Aether catalyst is a members-only item in Old School RuneScape.
"A piece of the cosmos' soul? Or souls belonging to the cosmos?"
Over the last 30 days it traded between 351 and 391 gp on the Grand Exchange, averaging 365 gp. About 3,996,501 units changed hands per day. The price is up 3.4% across that window. The Grand Exchange buy limit is 25,000 every 4 hours. Selling one at the average price costs 7 gp in Grand Exchange tax.
Casting High Level Alchemy returns 120 gp, which is 67.1% below the 30-day average price, so alching a bought one loses money.
How to get Aether catalyst
4 monsters drop Aether catalyst, most commonly Yama (Always), Doom of Mokhaiotl (5/104) and Abyssal Sire (2/139).
Dropped by
| Monster | Rarity | Quantity |
|---|---|---|
| Yama | Always | 2000 |
| Doom of Mokhaiotl | 5/104 | 151–400 |
| Abyssal Sire | 2/139 | 220–270 |
| The Leviathan | 1/100 | 1500, 2250 |
Aether catalyst price history
Daily averages rolled up per month, newest first.
| Month | Average | Low | High | Volume |
|---|---|---|---|---|
| October 202612d | 373 | 357 | 391 | 59,831,591 |
| September 2026 | 354 | 340 | 364 | 96,685,187 |
| August 2026 | 341 | 333 | 348 | 117,959,492 |
| July 2026 | 346 | 310 | 363 | 147,325,021 |
| June 202621d | 351 | 327 | 386 | 62,689,877 |
| May 20262d | 380 | 359 | 400 | 4,710,083 |
| April 20261d | 366 | 366 | 366 | 1,862,342 |
| March 2026 | 376 | 309 | 425 | 37,217,939 |
| February 2026 | 344 | 309 | 369 | 3,113,376 |
| January 2026 | 226 | 167 | 314 | 17,856 |
Across 10 months of recorded prices Aether catalyst ranged from 167 gp in January 2026 to 425 gp in March 2026, measured over 218 trading days.
The 30-day average of 365 gp sits in the upper third of that range.
All prices in gp. Volume counts units traded across both sides of the Grand Exchange.