file xauusd_ticks1s.bin: 260197256 bytes, sha256 1f5e4e7edba4cc269c04a6239024d4e41f96354d5dc7006edd6925d29bbae818 (matches the export log)
records 5913574; decoding differences 0; prices off the cent grid 0
seconds out of order 0; inconsistent records 0
span (server time, New York + 7 h): 2026-03-24 09:00:00 to 2026-10-16 20:59:59

weekdays in the span 149; with ticks in the London window 148; without: 2026-04-03
share of the window's seconds with ticks, by day: min 75.1%, median 92.6%, max 99.3%
longest gap without ticks inside the window, by day: median 9 s, max 25 s; days with a gap over 60 s: 0, over 300 s: 0
   low cover 2026-05-25: 75.1% of seconds, 61576 ticks, window 10:00-19:00 server time
   low cover 2026-07-03: 78.7% of seconds, 69198 ticks, window 10:00-19:00 server time
   low cover 2026-09-07: 83.3% of seconds, 73650 ticks, window 10:00-19:00 server time
   low cover 2026-07-10: 84.5% of seconds, 88487 ticks, window 10:00-19:00 server time
   low cover 2026-06-02: 85.6% of seconds, 86536 ticks, window 10:00-19:00 server time
   low cover 2026-07-06: 85.9% of seconds, 87437 ticks, window 10:00-19:00 server time
   low cover 2026-07-24: 86.9% of seconds, 94226 ticks, window 10:00-19:00 server time
   low cover 2026-08-14: 87.0% of seconds, 95958 ticks, window 10:00-19:00 server time

spread at the first quote of each second, London window ($ per ounce = $ per 0.01 lot): mean 0.223, median 0.19, 95th pct 0.37, 99th 0.66, max 8.54
   2026-03: mean 0.219, median 0.21, 95th 0.31 (189861 seconds)
   2026-04: mean 0.321, median 0.32, 95th 0.66 (630359 seconds)
   2026-05: mean 0.273, median 0.23, 95th 0.40 (626080 seconds)
   2026-06: mean 0.212, median 0.20, 95th 0.25 (654270 seconds)
   2026-07: mean 0.210, median 0.20, 95th 0.25 (672328 seconds)
   2026-08: mean 0.185, median 0.17, 95th 0.20 (622075 seconds)
   2026-09: mean 0.175, median 0.17, 95th 0.20 (671034 seconds)
   2026-10: mean 0.171, median 0.17, 95th 0.20 (366720 seconds)
   London 08:00: mean 0.221, median 0.19, 95th 0.37
   London 09:00: mean 0.222, median 0.19, 95th 0.37
   London 10:00: mean 0.224, median 0.19, 95th 0.37
   London 11:00: mean 0.221, median 0.19, 95th 0.36
   London 12:00: mean 0.220, median 0.19, 95th 0.36
   London 13:00: mean 0.241, median 0.19, 95th 0.38
   London 14:00: mean 0.222, median 0.19, 95th 0.37
   London 15:00: mean 0.225, median 0.19, 95th 0.37
   London 16:00: mean 0.215, median 0.19, 95th 0.36
moves of the mid of $5 or more from one second to the next: 23; largest $31.93 at 2026-09-11 15:30:02 server time

ticks by server hour, May to September: 9h 1.30M, 10h 1.11M, 11h 1.14M, 12h 1.04M, 13h 0.97M, 14h 1.11M, 15h 1.46M, 16h 1.96M, 17h 2.01M, 18h 1.71M, 19h 1.38M, 20h 1.26M

trading days the engine uses (all 15 parts with a second to enter on): 148, 2026-03-24 to 2026-10-16
weekdays with ticks the engine leaves out: none