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Sanfew serum(4) trades around 22,380 gp now, +3.6% this week, 7-day range 21,147–22,830.
Flippers place a buy offer near the low and sell near the high.
“A 4 dose Sanfew Serum.”
Sanfew serum(4) last traded at 22,602 gp (insta-buy) and 22,158 gp (insta-sell) on the Grand Exchange. Selling one at 22,602 gp costs 452 gp in GE tax, leaving a margin of -8 gp per item. 222,378 were traded in the last 24 hours. The buy limit is 2,000 every 4 hours. It is a members' item.
Hourly mid price, the average of the buy and sell prices. Volume counts both sides.
| Month | Close |
|---|---|
| Oct 2026 | 22,179 gp |
| Sept 2026 | 20,508 gp |
| Aug 2026 | 21,093 gp |
| Jul 2026 | 19,394 gp |
| Jun 2026 | 22,832 gp |
| May 2026 | 19,103 gp |
| Apr 2026 | 18,112 gp |
| Mar 2026 | 21,213 gp |
| Feb 2026 | 19,795 gp |
| Jan 2026 | 16,892 gp |
| Dec 2025 | 14,235 gp |
| Nov 2025 | 14,314 gp |
Daily GE guide prices from 7 Mar 2015 to 11 Oct 2026, from the OSRS Wiki. Data as of 11 Oct 2026.
High alch: 180 gp − 22,602 gp to buy − 138 gp nature rune = -22,560 gp per cast. Best items to alch →
Tax: Selling one at 22,602 gp costs 452 gp in tax (2% of the sale price, rounded down, capped at 5m gp). Tax-exempt items →