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%
1.3k
875
705
881
659
659
8%
1.7k
1.3k
638
661
448
448
12%
1.7k
1.2k
638
661
448
448
16%
2.0k
1.5k
950
577
386
386
20%
2.7k
2.3k
1.6k
1.2k
1.1k
379
25%
3.0k★
2.5k
1.7k
1.2k
1.0k
379
Optimal buy 25% / sell 75% → 17 flips, 3.0k/day per unit (~5.2h hold) vs Default 12% / 93% → 2 flips, 448/day (+574%)
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.