Bio-Rad Laboratories (BIO) Options Chain
NYSE: BIOIndustrialsBiotechnology: Laboratory Analytical InstrumentsUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- May 21, 2027
- Days to expiration
- 223
- Share price
- $366.16
- Put/call ratio (OI)
- 0.11
- Put/call ratio (volume)
- 0.00
- Expected move
- ±$129.36
- Open interest (C / P)
- 9 / 1
BIO options summary
The BIO options chain for the May 21, 2027 expiration lists 3 call and 1 put contracts, with 223 days until expiration. Open interest stands at 9 calls and 1 puts, a put/call ratio of 0.11, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $380.00 strike is 45.2%, which implies the market expects a move of about ±$129.36 (35.3%) in Bio-Rad Laboratories stock by expiration.
The most open interest sits at the $300.00 call (5 contracts) and the $260.00 put (1 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
BIO options chain · May 21, 2027
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| — | — | — | 260.00 | 3.00 | 12.10 | 8.00 | |||||
| 98.22 | 85.00 | 93.20 | 300.00 | — | — | — | |||||
| 70.17 | 65.00 | 72.50 | 330.00 | — | — | — | |||||
| 50.20 | 37.00 | 45.80 | 380.00 | — | — | — | |||||
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 BIO put/call ratio?
For the May 21, 2027 expiration, the BIO put/call ratio based on open interest is 0.11 (1 puts vs 9 calls), and 0.00 based on today's volume. A ratio above 1 means more puts than calls.
What is BIO's implied volatility?
At-the-money implied volatility for BIO options expiring May 21, 2027 is about 45.2%, an annualized estimate of how much the market expects Bio-Rad Laboratories stock to move.
How many BIO option expiration dates are there?
BIO has 5 listed expiration dates, from Oct 16, 2026 to May 21, 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.