Adamant knife trades around 348 gp now, +4.0% this week, 7-day range 305–388.
Flippers place a buy offer near the low and sell near the high.
“A finely balanced throwing knife.”
Adamant knife last traded at 374 gp (insta-buy) and 322 gp (insta-sell) on the Grand Exchange. After the GE tax on a sale, that leaves a margin of 45 gp per item. 88,849 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 28 Mar 2015 to 11 Oct 2026, from the OSRS Wiki. Data as of 11 Oct 2026.
Tax: Selling one at 374 gp costs 7 gp in tax (2% of the sale price, rounded down, capped at 5m gp). Tax-exempt items →
Adamant knife last sold for 322 gp (instant sell) and was last bought for 374 gp (instant buy) on the Grand Exchange.
You can buy 11,000 Adamant knife every 4 hours. The 4 hours start from your first purchase, and only buying counts towards the limit.
High alchemy turns Adamant knife into 39 gp. Buying one at 374 gp and casting with a nature rune at 138 gp costs 512 gp. That is a loss of 473 gp per cast at the latest prices, so it is not worth alching for profit right now.
No. Selling one at 374 gp costs 7 gp in tax (2% of the sale price, rounded down, capped at 5m gp).
The highest daily guide price on record for Adamant knife is 568 gp, on 19 Jun 2016. The lowest is 166 gp, on 28 Mar 2015.