CIEN showed a highly consistent uptrend over the past 26 weeks (analysis frame: 26w/3w), scoring an R² of 0.9276. R² measures how closely the price followed a straight logarithmic trend line — a score of 1.0 represents a perfectly linear rally with no deviation. The stock gained 186.0% over the lookback period, equivalent to an annualised return of 718.1%. As of week 2026-W16, CIEN last traded at $495.17. Momentum modelling projects a exceptional continuation: the statistical exit target (Exit B, k=0.75σ) is +10.9% ($549.13) by May 09, 2026, with a stop-loss level at -10.9% ($441.21). This analysis was generated by StraightR, a momentum screening tool that ranks US equities by the linearity of their logarithmic price trend across multiple lookback frames (26w, 40w, 52w, 78w).