AAOI stock jumps 13% today as AI optics names rally and short interest stays high
NEW YORK, January 2, 2026, 12:45 ET — Regular session Applied Optoelectronics Inc shares rose about 13% on Friday, trading at $39.55 after touching $39.58 earlier in the session. The Nasdaq-listed stock last closed at $34.86. The outsized move matters because AAOI has become a high-beta proxy for demand for faster optical links inside AI data centers and cable networks. Beta — a measure of how much a stock tends to move versus the overall market — sits at 3.25 on Finviz’s data. Finviz Short interest, or borrowed shares sold by investors betting the price will fall, remains elevated. About