← all flips

Dragon spear

item #1249 · buy limit 70 · 15 days of history backtested
Buy band37.4k
Sell band51.9k
Margin (after tax)13.4k
ROI35.9%
Profit / 4h335.5k
Capital935.1k
Exit0.4h
Riskmed
Volume / h66
Buy limit70
TypeMembers

Price chart

drag to pan · scroll to zoom · hover for values
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%1.9k2.0k2.0k1.8k1.6k1.5k
8%2.4k2.3k2.1k1.7k1.5k1.5k
12%2.8k2.5k2.2k1.9k1.7k1.7k
16%3.5k3.1k2.9k2.4k2.0k1.7k
20%4.0k★3.7k3.4k2.9k2.4k1.7k
25%3.9k3.6k3.3k2.8k2.3k1.6k

Optimal buy 20% / sell 75% → 23 flips, 4.0k/day per unit (~6.7h hold)  vs  Default 12% / 93% → 9 flips, 1.7k/day  (+140%)

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).