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
- Mar 19, 2027
- Days to expiration
- 159
- Share price
- $366.16
- Put/call ratio (OI)
- 0.21
- Put/call ratio (volume)
- 0.15
- Expected move
- ±$0.9425
- Open interest (C / P)
- 34 / 7
BIO options summary
The BIO options chain for the March 19, 2027 expiration lists 12 call and 5 put contracts, with 159 days until expiration. Open interest stands at 34 calls and 7 puts, a put/call ratio of 0.21, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $370.00 strike is 0.4%, which implies the market expects a move of about ±$0.9425 (0.3%) in Bio-Rad Laboratories stock by expiration.
The most open interest sits at the $390.00 call (19 contracts) and the $280.00 put (5 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
BIO options chain · March 19, 2027
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 203.20 | 196.00 | 205.00 | 170.00 | — | — | — | |||||
| — | — | — | 185.00 | 0.00 | 0.00 | 1.90 | |||||
| — | — | — | 280.00 | 3.00 | 12.00 | 6.90 | |||||
| 91.69 | 79.00 | 86.70 | 300.00 | — | — | — | |||||
| 66.72 | 0.00 | 0.00 | 310.00 | 0.00 | 0.00 | 23.32 | |||||
| 71.86 | 57.00 | 65.10 | 330.00 | 14.20 | 23.00 | 15.69 | |||||
| 49.50 | 0.00 | 0.00 | 370.00 | — | — | — | |||||
| 34.30 | 30.80 | 37.90 | 380.00 | — | — | — | |||||
| 45.00 | 24.00 | 33.10 | 390.00 | — | — | — | |||||
| 35.60 | 21.00 | 29.90 | 400.00 | — | — | — | |||||
| 29.20 | 17.00 | 26.60 | 410.00 | — | — | — | |||||
| 6.71 | 21.00 | 30.70 | 430.00 | — | — | — | |||||
| 22.79 | 7.00 | 16.70 | 450.00 | — | — | — | |||||
| — | — | — | 480.00 | 96.50 | 104.00 | 154.00 | |||||
| 10.49 | 0.00 | 0.00 | 500.00 | — | — | — | |||||
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 March 19, 2027 expiration, the BIO put/call ratio based on open interest is 0.21 (7 puts vs 34 calls), and 0.15 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 March 19, 2027 is about 0.4%, 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.