Compost potion(1) trades around 2 gp now, +100.0% this week, 6-day range 1–2.
Flippers place a buy offer near the low and sell near the high.
“Pour this on compost to turn it into super-compost.”
Compost potion(1) last traded at 1 gp (insta-buy) and 2 gp (insta-sell) on the Grand Exchange. The two prices are level, so there is no margin right now. 102 were traded in the last 24 hours. It is a members' item.
Hourly mid price, the average of the buy and sell prices. Volume counts both sides.
Daily GE guide prices from 7 Mar 2015 to 11 Oct 2026, from the OSRS Wiki. Data as of 11 Oct 2026.
Tax: Selling one at 1 gp costs no tax. Items selling under 50 gp pay none, because 2% of the price rounds down to 0 gp. Tax-exempt items →
Compost potion(1) last sold for 2 gp (instant sell) and was last bought for 1 gp (instant buy) on the Grand Exchange.
You can buy 50 Compost potion(1) every 4 hours. The 4 hours start from your first purchase, and only buying counts towards the limit.
High alchemy turns Compost potion(1) into 18 gp. Buying one at 1 gp and casting with a nature rune at 138 gp costs 139 gp. That is a loss of 121 gp per cast at the latest prices, so it is not worth alching for profit right now.
It is not on the exempt list, but it pays no tax at its price. Selling one at 1 gp costs no tax. Items selling under 50 gp pay none, because 2% of the price rounds down to 0 gp.
The highest daily guide price on record for Compost potion(1) is 5,000 gp, on 7 Mar 2015. The lowest is 2 gp, on 26 Aug 2026.