Weapon poison(+) is 850 gp on the OSRS GE (insta-sell 501 gp). ~1.7K/day · members. Up 24% on its 24-hour average.
Buy limit: 2,000 every 4 hours.
High alch: 172 gp.
In game it is examined as “A vial of extra strong weapon poison, for spears and daggers.” Weapon poison(+) is members-only, so a membership is needed to trade or use it. The base game value is 288 gp, which is what shops price from rather than what players pay.
The Grand Exchange lets one account buy 2,000 every 4 hours. That is enough to build a real position inside a day. Filling it once costs about 1,700,000 gp at the 850 gp price recorded on 1 November 2026. The limit is per account and resets on a rolling 4-hour timer.
Selling at 850 gp costs 17 gp in tax — 2%, rounded down, taken from the seller. A flip has to clear that before it makes anything, and it is the number most margin calculators leave out.
High alchemy turns one Weapon poison(+) into 172 gp. Weapon poison(+) is worth far more than that on the Grand Exchange, so the figure matters for the alch calculator rather than as anything to do.
Weapon poison(+) sees about 1.7K trades a day, which makes it moderately traded — an order may take a while to fill, so price it toward the middle. That is less than twice the 2,000 buy limit, so a handful of buyers can take a whole day of supply.
How much is Weapon poison(+) in OSRS? Weapon poison(+) is 850 gp on the Grand Exchange as of 1 November 2026, with an insta-sell of 501 gp. The chart above is live.
What is the buy limit for Weapon poison(+)? 2,000 every 4 hours.
Can you high alch Weapon poison(+) for profit? Not at the moment — the alch value is 172 gp and a nature rune costs 155 gp, so it only pays below 17 gp.
Do you need members for Weapon poison(+)? Yes, Weapon poison(+) is members-only.
Related: Weapon poison(++)·Enhanced crystal weapon seed·Armageddon weapon scroll·Annihilation weapon scroll
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