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Demonic quill

item #33342 · buy limit — · 3 days of history backtested
Buy band531.3k
Sell band669.0k
Margin (after tax)124.3k
ROI23.4%
Profit / 4h5.34m
Capital22.85m
Exit0.5h
Riskmed
Volume / h83
Buy limit
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%000000
8%88.0k★00000
12%84.6k00000
16%84.6k00000
20%84.6k00000
25%84.6k00000

Optimal buy 8% / sell 75% → 1 flips, 88.0k/day per unit (~4.0h hold)  vs  Default 12% / 93% → 0 flips, 0/day

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).