Sanfew serum(2)members
“A 2 dose Sanfew Serum.”
About this item
Sanfew serum is a potion invented by the druid Sanfew that combines the properties of the super restore, superantipoison, and Relicym's balm. It restores 4 + 30% of the player's base level (rounded down) per dose in all skills except Hitpoints, provides 6 minutes of immunity to poison, and provides 15 minutes of immunity to disease. Sanfew serums can also be used on nail beasts, which can deal 20-40 damage per dose and grants melee experience. This requires the player to have no weapons equipped; if they do, it will automatically be unequipped if there is space in their inventory.
From Sanfew serum on the Old School RuneScape Wiki, used under CC BY-NC-SA 3.0.
- Buy limit
- 2,000 per 4h
- High alch
- 108
- Shop value
- 180
- Traded last hour
- 80
Its high alch value of 108 does not cover the 153 nature rune it would burn, so alching is a loss before the item itself is counted.
One unit, right now
- Buy at (instant-sell)traded 20m ago
- 9,190
- Sell at (instant-buy)traded 8h ago
- 9,053
- Spread
- -137
- Tax on the sale
- −181
- Margin per unit
- -318
Breakeven sell price is 9,378 — a spread of 2.05% just to clear the tax.
Your 1.00M
- Buy limit per 4 hours
- 2,000
- Units you can fund
- 108
- Capital required
- 992,520
- Profit per window
- -34,344
Price is stale, governed by the sell side at 8h. You can get in faster than you can get out.
Prices refreshed 1m ago.
Against its own history last 90 days · 88 daily bars
wider than 5% of the last 88 days
61% of the way up its 90-day range
Measured with medians rather than averages, because one spike — an update, a streamer, a brief squeeze — drags an average around for weeks afterwards and makes everything since look ordinary. Worth noting here: this item typically moves 1.00% in a day, which is more than the -1.49% you would be capturing — so holding it overnight risks more than the flip makes.