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Cosmic rune trades around 130 gp now, +7.9% this week, 7-day range 117–135.
Flippers place a buy offer near the low and sell near the high.
“Used for enchant spells.”
Cosmic rune last traded at 131 gp (insta-buy) and 129 gp (insta-sell) on the Grand Exchange. Selling one at 131 gp costs 2 gp in GE tax, leaving a margin of 0 gp per item. 15,456,384 were traded in the last 24 hours. The buy limit is 18,000 every 4 hours. It is available to free-to-play players.
Hourly mid price, the average of the buy and sell prices. Volume counts both sides.
| Month | Close |
|---|---|
| Oct 2026 | 130 gp |
| Sept 2026 | 116 gp |
| Aug 2026 | 121 gp |
| Jul 2026 | 116 gp |
| Jun 2026 | 110 gp |
| May 2026 | 110 gp |
| Apr 2026 | 94 gp |
| Mar 2026 | 100 gp |
| Feb 2026 | 95 gp |
| Jan 2026 | 93 gp |
| Dec 2025 | 77 gp |
| Nov 2025 | 113 gp |
Daily GE guide prices from 28 Mar 2015 to 11 Oct 2026, from the OSRS Wiki. Data as of 11 Oct 2026.
High alch: 30 gp − 131 gp to buy − 138 gp nature rune = -239 gp per cast. Best items to alch →
Tax: Selling one at 131 gp costs 2 gp in tax (2% of the sale price, rounded down, capped at 5m gp). Tax-exempt items →