BeyondSpring (BYSI) Options Chain
NASDAQ: BYSIHealth CareBiotechnology: Pharmaceutical PreparationsUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Nov 20, 2026
- Days to expiration
- 40
- Share price
- $0.6056
- Put/call ratio (OI)
- 0.00
- ATM implied volatility
- 268.8%
- Expected move
- ±$0.5388
- Open interest (C / P)
- 134 / 0
BYSI options summary
The BYSI options chain for the November 20, 2026 expiration lists 1 call and 0 put contracts, with 40 days until expiration. Open interest stands at 134 calls and 0 puts, a put/call ratio of 0.00, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $2.50 strike is 268.8%, which implies the market expects a move of about ±$0.5388 (89.0%) in BeyondSpring stock by expiration.
Summary generated from market data by MetaCap's automated system. Methodology
BYSI options chain · November 20, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 0.05 | 0.00 | 0.05 | 2.50 | — | — | — | |||||
In-the-money callsIn-the-money puts. IV = implied volatility, OI = open interest (contracts). Each contract covers 100 shares. Quotes delayed at least 15 minutes.
Frequently asked questions
What is the BYSI put/call ratio?
For the November 20, 2026 expiration, the BYSI put/call ratio based on open interest is 0.00 (0 puts vs 134 calls). A ratio above 1 means more puts than calls.
What is BYSI's implied volatility?
At-the-money implied volatility for BYSI options expiring November 20, 2026 is about 268.8%, an annualized estimate of how much the market expects BeyondSpring stock to move.
How many BYSI option expiration dates are there?
BYSI has 4 listed expiration dates, from Oct 16, 2026 to Apr 16, 2027.
What does "in the money" mean?
A call is in the money when the strike price is below the current share price; a put is in the money when the strike is above it. In-the-money contracts have intrinsic value and are shaded in the table.