Mithril longsword trades around 454 gp now, -8.5% this week, 7-day range 262–585.
Flippers place a buy offer near the low and sell near the high.
“A razor sharp longsword.”
Mithril longsword last traded at 525 gp (insta-buy) and 382 gp (insta-sell) on the Grand Exchange. After the GE tax on a sale, that leaves a margin of 133 gp per item. 9,730 were traded in the last 24 hours. It is available to free-to-play players.
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.
High alch: 780 gp − 525 gp to buy − 138 gp nature rune = +117 gp per cast. Best items to alch →
Tax: Selling one at 525 gp costs 10 gp in tax (2% of the sale price, rounded down, capped at 5m gp). Tax-exempt items →
Mithril longsword last sold for 382 gp (instant sell) and was last bought for 525 gp (instant buy) on the Grand Exchange.
You can buy 125 Mithril longsword every 4 hours. The 4 hours start from your first purchase, and only buying counts towards the limit.
High alchemy turns Mithril longsword into 780 gp. Buying one at 525 gp and casting with a nature rune at 138 gp costs 663 gp. That is 117 gp profit per cast at the latest prices.
No. Selling one at 525 gp costs 10 gp in tax (2% of the sale price, rounded down, capped at 5m gp).
The highest daily guide price on record for Mithril longsword is 743 gp, on 1 Oct 2023. The lowest is 382 gp, on 11 Oct 2026.