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QQQ 12/26 EMA cross

Fragile

“Buy $1,000 of QQQ when the 12-day EMA crosses above the 26-day EMA.”

As tested: QQQ's 12-day EMA crosses above its 26-day → buy at the next open. The prompt never says when to sell, so this holds 20 sessions and compares with buying QQQ on any day.

Edge per trade+0.58%% vs buying QQQ on any day, per trade
t-stat0.5895% range -1.39 to +2.56
Trades30Sep 1, 2016 – Oct 12, 2026
Win rate60%beat the comparison
Last 12 months+2.85%4 signals

Why fragile

Year by year

2016
+0.21%1
2017
-1.33%2
2018
+1.55%2
2019
+1.25%4
2020
+0.70%3
2021
-0.97%4
2022
-2.55%3
2023
+1.53%4
2024
-0.11%2
2025
+0.89%3
2026
+6.38%2

Every signal

SignalBasketComparisonEdge
Sep 18, 2026 · still open +2.39%+1.29% +1.10%
Aug 7, 2026 -0.57%+1.63% -2.20%
Apr 10, 2026 +16.59%+1.63% +14.97%
Dec 2, 2025 -0.83%+1.63% -2.46%
May 1, 2025 +6.59%+1.63% +4.97%
Jan 21, 2025 +1.78%+1.63% +0.15%
Aug 20, 2024 -2.10%+1.63% -3.72%
May 8, 2024 +5.13%+1.63% +3.51%
Oct 16, 2023 +3.02%+1.63% +1.39%
Aug 31, 2023 -5.78%+1.63% -7.41%
Mar 15, 2023 +7.17%+1.63% +5.54%
Jan 17, 2023 +8.25%+1.63% +6.62%
Nov 14, 2022 -1.32%+1.63% -2.94%
Jul 20, 2022 +8.13%+1.63% +6.51%
Mar 24, 2022 -9.61%+1.63% -11.23%
Dec 23, 2021 -11.39%+1.63% -13.01%
Oct 20, 2021 +6.17%+1.63% +4.55%
May 27, 2021 +4.61%+1.63% +2.99%
Apr 1, 2021 +3.22%+1.63% +1.59%
Nov 5, 2020 +3.97%+1.63% +2.34%
Oct 5, 2020 -3.43%+1.63% -5.06%
Apr 14, 2020 +6.44%+1.63% +4.82%
Oct 14, 2019 +4.76%+1.63% +3.13%
Sep 5, 2019 -3.01%+1.63% -4.63%
Jun 17, 2019 +4.04%+1.63% +2.41%
Jan 16, 2019 +5.70%+1.63% +4.07%
May 7, 2018 +5.33%+1.63% +3.71%
Feb 20, 2018 +1.02%+1.63% -0.61%
Aug 29, 2017 +1.06%+1.63% -0.56%
Jul 13, 2017 -0.48%+1.63% -2.11%
Nov 22, 2016 +1.84%+1.63% +0.21%