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OSIS reported First Quarter Fiscal 2027 results. The stock moved -4.2% on the print.
OSISearnings

OSI Systems, Inc. (OSIS) Q1 FY2027 earnings

October 30, 2026 · SharpeIQ Research Desk

Reported results

  • Total net revenues were $403,472 thousand for Q1 fiscal 2027, a 5% increase from $384,623 thousand in Q1 fiscal 2026.
  • GAAP diluted earnings per share was $1.51, representing 28% growth from $1.18 in Q1 fiscal 2026.
  • Non-GAAP diluted earnings per share was $1.66, representing 17% growth from $1.42 in Q1 fiscal 2026.
  • Cash flow provided by operating activities was $37,088 thousand compared to $17,137 thousand in Q1 fiscal 2026.
  • Book-to-bill ratio was 1.4 in the quarter, driving backlog to $2.1 billion.

Guidance

  • Fiscal 2027 updated revenue guidance is $1.875 billion - $1.930 billion (5.0% - 8.1% year-over-year growth rate).
  • Fiscal 2027 updated non-GAAP earnings per share guidance is $11.28 - $11.64 (9.0% - 12.5% year-over-year growth rate).

Price and volatility reaction

The stock moved -4.2% on the print. No front-expiry chain was on file, so there is no straddle expected move. 30-day ATM implied volatility moved -19.1 vol points across the event (constant-maturity series — not the front-week crush).

MeasureValueBasis
Close before release208.172026-10-29
Close after release199.442026-10-30
Realised move-4.2%close to close
30d ATM IV change-19.1 vol ptsconstant-maturity series, not the front expiry
Price and volatility reaction. Closes either side of the release. No front-expiry chain on file for a straddle expected move. SharpeIQ — listed option chain and price_history

Source

The figures above come from the earnings release the company filed with the SEC on 2026-10-29 (8-K, Item 2.02). Read the original filing on sec.gov.

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