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Rune javelin

item #830 · buy limit 11,000 · 15 days of history backtested
Buy band114
Sell band144
Margin (after tax)28
ROI24.6%
Profit / 4h201.6k
Capital820.8k
Exit0.7h
Riskmed
Volume / h10,001
Buy limit11,000
TypeMembers

Price chart

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Candles use the GE's average instant-buy (wick top) & instant-sell (wick bottom) per period; bodies show period-to-period mid-price moves — the GE publishes no true open/close. buy bandsell band

Backtest — profit/day per unit by band

Each cell replays this item's history with that buy/sell percentile pair, no lookahead (bands from past data only). ★ = best. Hover a cell for flips & hold time.

buy↓ sell→75%80%85%90%93%97%
5%12129999
8%12121010108
12%14121010106
16%15131210106
20%14131210106
25%21★2019161512

Optimal buy 25% / sell 75% → 19 flips, 21/day per unit (~6.7h hold)  vs  Default 12% / 93% → 8 flips, 10/day  (+107%)

Bands are a starting point, not a promise — the fill model is simplified and popular flips crowd (your buy gets bid up, your sell pushed down). How this works →

Unofficial fan project — not affiliated with or endorsed by Jagex. Data from the OSRS Wiki real-time prices API. A game, not financial advice; nothing here is automated and you shouldn't automate it (it's against Jagex's rules).

For information only - not financial advice. In-game Grand Exchange prices fluctuate and flips can lose value; trade at your own risk.
More tools from the same maker: PokePulse — Pokémon card prices · ESO Decoded — every ESO set, decoded · EveryGameMade — fact-checked game encyclopedia · Mistfall Hunters — the honest Mistfall Hunter guide