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Water sapphire

item #34410 · buy limit — · 16 days of history backtested
Buy limit—
TypeMembers
Notenot in the current top scan — backtest below still applies

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%8.3k8.9k6.6k6.6k7.7k9.4k
8%8.3k8.9k6.6k6.6k7.7k9.4k
12%8.3k8.9k6.6k6.6k7.7k9.4k
16%3.1k3.6k1.2k1.2k2.2k3.9k
20%4.3k3.5k1.1k1.1k2.0k3.7k
25%11.5k★7.0k4.5k4.5k5.5k7.2k

Optimal buy 25% / sell 75% → 5 flips, 11.5k/day per unit (~16.8h hold)  vs  Default 12% / 93% → 2 flips, 7.7k/day  (+49%)

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.
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