Cat mask

item #12361 · buy limit 4 · 18 days of history backtested

Latest price: 14,248 gp instant-buy · 8,550 gp instant-sell
Last 24 h average: 11,679 gp high · 10,949 gp low · 52 traded

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Buy limit4

TypeMembers

Notenot in the current top scan — backtest below still applies

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%	4.5k	3.2k	2.4k	2.1k	1.8k	1.8k
8%	5.0k	3.8k	2.7k	2.4k	2.1k	2.1k
12%	5.5k	4.0k	2.9k	2.7k	2.3k	2.3k
16%	5.5k	3.9k	3.1k	2.8k	2.5k	2.5k
20%	5.4k	3.9k	3.0k	2.8k	2.6k	2.6k
25%	6.1k★	4.3k	3.2k	2.8k	2.6k	2.6k

Optimal buy 25% / sell 75% → 26 flips, 6.1k/day per unit (~8.5h hold) vs Default 12% / 93% → 9 flips, 2.3k/day (+161%)

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.