Ballista spring

A spring-loaded mechanism. Ballista spring is a members-only item traded on the Old School RuneScape Grand Exchange.

Priced at 29,089 gp, Ballista spring is an affordable item suitable for players building their cash stack.

Ballista spring has very low trading volume (17 recent trades), which means wider spreads and slower fills. The strict buy limit of 8 every 4 hours significantly caps how many you can flip per session. At the current margin, flipping the full buy limit yields up to 7,552 gp profit every 4 hours.

Ballista spring currently has a positive margin of 944 gp after the GE tax, resulting in an ROI of 3.3%.

High alching Ballista spring yields a profit of 801 gp per cast (before nature rune cost). At ~1,200 casts per hour, that's up to 961.2k/hr in passive income while training Magic. This item is profitable both as a flip and as an alch target, giving you two exit strategies.

With a tight spread, instant buy-and-sell is a viable approach for Ballista spring. 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.

Track margins and find profitable trades with the Flip Finder. Use the High Alch Calculator to check whether this item is worth alching as an alternative exit strategy.

Use the flip calculator above to estimate your profit based on quantity. Compare alch profits across all items on the High Alch Calculator. Set a price alert to get notified when the margin changes, or add this item to your watchlist for quick access.