Scalping Cost Explorer

297 cost rows · 3 symbols · 378,592 spread samples · commission measured at £3.00/lot/side from the terminal's balance prints

£3.00per lot per side — measured, not quoted

378,592spread samples from MT5 history files

297cost rows: symbol × timeframe × hour × news-proximity

6non-measurements, named explicitly in the study

symbol timeframe hour

hour	n	spread p50	spread p90	cost pips p50	cost pips p90	£/lot	£/0.01	ATR frac	BE@1ATR	BE@1ATR p90	BE@2x	BE@3x

Round-trip cost = spread + commission, in pips, £ per lot, and as a fraction of ATR. BE = the per-trade edge needed to break even at 1-ATR stops. 2x/3x columns price a hypothetical doubled/tripled spread (stress, not measurement). Hours are broker-server hours. Source: the mt5-scalp study — preregistered method, findings doc, 9 pytest modules.

demo · noindex · static snapshot 2026-11-08 · part of simoncallaghan.dev