Defence potion(4)

4 doses of Defence potion. Defence potion(4) is a members-only potion in Old School RuneScape, brewed through the Herblore skill and widely used for combat buffs and skilling boosts.

Defence potion(4) is consumed during PvM encounters and skilling activities, driving consistent demand on the Grand Exchange. Potion prices respond to new boss releases and meta shifts.

At just 450 gp, Defence potion(4) is among the lowest-priced tradeable items — volume is everything at this price point.

Defence potion(4) has a high alchemy value of 90 gp, but at the current buy price it is not profitable to alch.

Defence potion(4) currently has a positive margin of 163 gp after the GE tax, resulting in an ROI of 36.2%. A flip rating of 9/10 puts Defence potion(4) among the best flip opportunities currently available on the GE. The price has dropped 27.3% in the last hour, which could signal a buying opportunity if the margin improves.

At just 34 trades recently, Defence potion(4) is thinly traded — expect wide spreads and be prepared to wait for fills. With a buy limit of 2,000 every 4 hours, you can trade in large quantities per session. At the current margin, flipping the full buy limit yields up to 326,000 gp profit every 4 hours.

The price has dropped sharply — down 27.3% in the last hour. This could signal a sell-off or increased supply; it may be worth waiting for the price to stabilise before entering a flip.

Potions have consistent demand from PvM and skilling players, with prices often spiking during boss release weeks. With a tight spread, instant buy-and-sell is a viable approach for Defence potion(4). Undercutting the instant buy by a small amount (1 GP to a few hundred GP) is usually enough to get priority in the queue. Volume is relatively low, so expect fills to take longer — set your offers and check back rather than watching the screen. Avoid over-committing capital to a single slot with this item.

Defence potion(4) is part of the potion economy. Use the Herblore Calculator to compare potion-making profit, or the Herb Cleaning Calculator to evaluate raw herb processing margins.

Use the flip calculator above to estimate your profit based on quantity. Set a price alert to get notified when the margin changes, or add this item to your watchlist for quick access.