Initial Balance breakout on ES self-test ($50 a point, $30.76), 2026-10-21T17:49:37.394Z

1. Hand-worked days (Tuesday 9 Jan 2024; stamps are bar closes, 09:31 = 571, 10:30 = 630)
A. bar 650 trades up to 18052 (open 18045): long at 18050.25; IB-X1 stop 17949.75 (R 100.5), target 18150.25 hit by bar 700; IB-MID stop 18000, same target; IB-CLOSE out at the session close (18080)
  [ok] IB-X1: target, 4969.24 dollars
  [ok] IB-MID: stop at the midpoint 18000 (R 50.25), same target
  [ok] IB-CLOSE: out at the close, 1456.74 dollars
  [ok] reference identical (3 variants)
B. bar 640 opens at 17940, below the sell level 17949.75 (a gap) -> short at 17940; IB-X1 stop 18050.25
  [ok] short filled at the open; reference identical
C. one bar (650, open 18000) reaches both levels, equally near -> the buy side; its stop (the sell level) is in the same bar -> stopped
  [ok] long stopped at 17949.75 in the entry bar: -5055.76 dollars
D. a first touch in bar 811 (ends 13:31) -> no trade; in bar 810 -> traded
  [ok] cut-off respected; reference identical
E. IB-MID: a later bar reaches both the midpoint stop and the target -> the stop; F. 4 IB bars missing -> no trade, 3 missing -> a trade
  [ok] stopped at the midpoint
  [ok] 57 of 60 bars are enough, 56 are not; reference identical
G. an early-close day (29 Nov 2024): a trade open at the early close closes there
  [ok] closes at 13:15; reference identical

2. Real data: engine against the independent reference
  2378027 bars 2020-01-01 18:01 .. 2026-09-25 16:59 New York; 1737 session days, 1733 with a usable IB
  [ok] IB-X1: 1621 trades, reference 1621, identical
  [ok] IB-MID: 1621 trades, reference 1621, identical
  [ok] IB-CLOSE: 1621 trades, reference 1621, identical

3. Control at offset 0
  [ok] IB-X1: 1621 control trades at the real entry bars, same direction and R
  [ok] IB-MID: 1621 control trades at the real entry bars, same direction and R
  [ok] IB-CLOSE: 1621 control trades at the real entry bars, same direction and R

PASSED