Sutro Biopharma Inc

STRONASDAQ · USD
15.60USD0.00 (-5.80%)
1310

Sutro Biopharma Inc (STRO) Expected Move

STRO expected move through Sep 18, 2026 is 29.0%, with 1 days to expiration. The implied range is $11.08 to $20.13, based on the previous trading day's options prices.

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Tracking the STRO expected move helps you see how far Sutro Biopharma Inc's options market is pricing the stock to travel over a given period — whether that's the next day, week, or earnings cycle. Sutro Biopharma Inc's expected move is derived directly from option premiums and gives you an objective range to plan trades, set strikes, and manage risk. Use our scanner to monitor the STRO expected move for this week's options, in real time.

The expected move is typically calculated from at-the-money straddle prices (or a blend of straddles and strangles) and represents roughly a one-standard-deviation range over the chosen timeframe. For STRO, comparing the implied expected move to actual realized moves over similar windows tells you whether the options market has historically overestimated or underestimated volatility. The STRO expected move for this week's options pricing is especially useful for short-dated traders, earnings players, and anyone selling premium who needs to know where the market thinks Sutro Biopharma Inc is unlikely to go.

Sutro Biopharma, Inc. operates as clinical stage drug discovery, development, and manufacturing company. It focuses on creating protein therapeutics for cancer and autoimmune disorders through integrated cell-free protein synthesis and site-specific conjugation platform, XpressCF+.The company's product candidates include STRO-001, an antibody-drug conjugate (ADC) directed against the cancer target CD74 for patients with multiple myeloma and non-Hodgkin lymphoma that is in Phase 1 clinical trials; and STRO-002, an ADC directed against folate receptor-alpha for patients with ovarian and endometrial cancers, which is in Phase 1 clinical trials.

It has collaboration and license agreements with Merck Collaboration to develop research programs focusing on cytokine derivatives for cancer and autoimmune disorders; and Celgene Corporation to discover and develop bispecific antibodies and/or ADCs focused on the field of immuno-oncology. The company was formerly known as Fundamental Applied Biology, Inc. Sutro Biopharma, Inc. was incorporated in 2003 and is headquartered in South San Francisco, California.

Iron condors, weekly premium sales, directional swing trades — they all live or die by where the market thinks the stock won't go. Our scanner tracks the STRO expected move across every expiration, benchmarks it against realized moves, and shows you when implied ranges are out of line with history. The Sutro Biopharma Inc expected move for this week's options is the fastest read on short-term risk, which gives you a quick way to interpret what the options market thinks about STRO.

STRO Price

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ExpirationDTEExpected move (USD)Expected move (%)Upper priceLower price
Sep 18, 20261$4.5329.0%$20.13$11.08
Oct 16, 202629$7.4047.4%$23.00$8.20
Nov 20, 202664$6.1339.3%$21.73$9.48
Feb 19, 2027155$8.0051.3%$23.60$7.60

As of September 16, 2026

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