BeyondSpring Inc

BYSINASDAQ · USD
0.71USD0.00 (0.00%)
112

BeyondSpring Inc (BYSI) Historical Volatility

BYSI 30-day historical volatility is 143%. This ranks in the 98th percentile of readings over the past year.

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Tracking BYSI historical volatility helps you see how much BeyondSpring Inc's stock price has actually moved over past periods, giving you a baseline to judge whether current option premiums are fair, cheap, or expensive. While implied volatility tells you what the market expects, BeyondSpring Inc's HV tells you what really happened. Use our scanner to monitor BYSI 30 day historical volatility alongside longer lookback windows and spot the moments when realized and implied diverge.

Historical volatility is the annualized standard deviation of an underlying's past returns, typically measured over rolling windows like 10, 20, 30, or 60 days. The BYSI 30 day historical volatility is one of the most widely watched readings because it balances responsiveness with stability. Comparing BeyondSpring Inc's HV to its implied volatility reveals the volatility risk premium — when IV sits well above HV, option sellers tend to have an edge; when HV runs hot relative to IV, buyers may be underpaying for movement.

BeyondSpring Inc., a clinical stage biopharmaceutical company, together with its subsidiaries, focuses on the development of cancer therapies. The company's lead asset is the Plinabulin, a selective immune-modulating microtubule-binding agent that has completed Phase III clinical trials for the prevention of chemotherapy-induced neutropenia; and for treatment of later-stage non-small cell lung cancer. It is also developing Plinabulin in combination with various immuno-oncology agents, including nivolumab, a PD-1 antibody for the treatment of NSCLC; nivolumab and ipilimumab, a CTLA-4 antibody for the treatment of SCLC; and in combination with PD-1 or PD-L1 antibodies and radiation for the treatment of various cancers.

In addition, the company engages in the development of three small molecule immune agents in preclinical stages; and a drug development platform. The company was founded in 2010 and is headquartered in New York, New York.

Sizing a long premium trade, modeling a covered call, or hunting volatility arbitrage all come back to one question: how much has the stock actually moved? Our scanner puts BeyondSpring Inc's historical volatility side-by-side with implied readings across every lookback window, so you can see exactly where BYSI HV is running hot, cold, or in line. Make the BYSI 30 day historical volatility — and every other window — work for your edge instead of against it.

IV vs HV
Implied Volatility (IV) vs Historical Volatility (HV) over the past month.

As of September 17, 2026

IV - HV Difference
Difference between IV and HV over time. Positive values indicate IV > HV.

As of September 17, 2026

See how volatility has moved over time

Track BYSI historical volatility, spot where IV and realized volatility diverge, and find options that are priced in your favor right now.

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