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Vial of blood

item #22446 · buy limit 13,000 · 15 days of history backtested
Buy band7.5k
Sell band8.1k
Margin (after tax)372
ROI4.9%
Profit / 4h762.6k
Capital15.44m
Exit0.7h
Risklow
Volume / h2,848
Buy limit13,000
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%272728284444
8%302425254242
12%686364678560
16%877778678560
20%95★8577678460
25%938476678460

Optimal buy 20% / sell 75% → 9 flips, 95/day per unit (~6.4h hold)  vs  Default 12% / 93% → 5 flips, 85/day  (+12%)

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