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Heavy ballista trades around 1.44m gp now, +1.5% this week, 7-day range 967k–1.02m.
Flippers place a buy offer near the low and sell near the high.
“A powerful weapon forged from the wreckage of an airship.”
Heavy ballista last traded at 1.44m gp (insta-buy) and 1.43m gp (insta-sell) on the Grand Exchange. Selling one at 1.44m gp costs 28,882 gp in GE tax, leaving a margin of -16,014 gp per item. 1,107 were traded in the last 24 hours. The buy limit is 8 every 4 hours. It is a members' item.
Hourly mid price, the average of the buy and sell prices. Volume counts both sides.
| Month | Close |
|---|---|
| Oct 2026 | 1,017,166 gp |
| Sept 2026 | 987,747 gp |
| Aug 2026 | 1,056,404 gp |
| Jul 2026 | 963,180 gp |
| Jun 2026 | 1,097,517 gp |
| May 2026 | 1,095,050 gp |
| Apr 2026 | 1,008,710 gp |
| Mar 2026 | 1,071,612 gp |
| Feb 2026 | 1,060,766 gp |
| Jan 2026 | 1,159,547 gp |
| Dec 2025 | 1,078,165 gp |
| Nov 2025 | 1,049,555 gp |
Daily GE guide prices from 7 May 2016 to 11 Oct 2026, from the OSRS Wiki. Data as of 11 Oct 2026.
High alch: 570,000 gp − 1,444,119 gp to buy − 138 gp nature rune = -874,257 gp per cast. Best items to alch →
Tax: Selling one at 1,444,119 gp costs 28,882 gp in tax (2% of the sale price, rounded down, capped at 5m gp). Tax-exempt items →