Hesper Atlas

Coherent (optics) (COHR): buy, hold or sell?

Optical & Networking. One systematic signal, updated after every US close, with the exact prices to act at.

COHR has a live Hesper Atlas signal, refreshed after every US close. The current state and the full trade plan (exact buy / add / trim / sell prices) are in the app; a free account shows three full stock pages a day, no card required.

On held-out data the engine never trained on, the COHR engine returned +25% a year versus +17.5% buying and holding, with a worst drop of −45.8% versus −72.2% (after costs, next-day fills, 2026-07-07 evaluation).

Today's COHR signal: The live state and the full trade plan (exact buy / add / trim / sell prices) are in the app. A free account covers three full stock pages a day, no card required.
See today's signal free

What the engine did on COHR, honestly

+25% vs +17.5% holding
held-out return per year, after costs
−45.8% vs −72.2% holding
worst drop on held-out data

Closed signals on COHR, from the public ledger

No closed BUY-to-SELL round trips on this name yet; open positions publish to the ledger when they close. The full ledger is on the track record page.

Held-out numbers: the engine is tuned on the earlier part of this name's history and scored on the last 40% it never trained on, after costs, next-day fills. Backtested, not live. Ledger rows are BUY-to-SELL round trips regenerated nightly from end-of-day data; losers stay listed. Method on the methodology page, every name's ledger on the track record page. Hesper Atlas is an educational publication with one systematic signal per name, identical for everyone. It is not financial advice and does not know your situation.

More names in Optical & Networking

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Each carries the same daily buy / hold / sell signal. All 155 tracked names are on the stocks index, grouped by theme.