Byrna Technologies (BYRN) Options Chain
NASDAQ: BYRNMiscellaneousIndustrial Machinery/ComponentsUSD
Market open · Delayed 15 min · as of Oct 9, 12:12 PM ET
Expiration date
- Expiration
- Oct 16, 2026
- Days to expiration
- 7
- Share price
- $4.51
- Put/call ratio (OI)
- 0.10
- Put/call ratio (volume)
- 13.67
- Expected move
- ±$0.5465
- Open interest (C / P)
- 692 / 67
BYRN options summary
The BYRN options chain for the October 16, 2026 expiration lists 3 call and 2 put contracts, with 7 days until expiration. Open interest stands at 692 calls and 67 puts, a put/call ratio of 0.10, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $5.00 strike is 87.5%, which implies the market expects a move of about ±$0.5465 (12.1%) in Byrna Technologies stock by expiration.
The most open interest sits at the $5.00 call (588 contracts) and the $2.50 put (67 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
BYRN options chain · October 16, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 1.80 | 1.60 | 2.10 | 2.50 | 0.00 | 0.05 | 0.05 | |||||
| 0.02 | 0.00 | 0.15 | 5.00 | — | — | 1.10 | |||||
| 0.03 | — | — | 7.50 | — | — | — | |||||
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 BYRN put/call ratio?
For the October 16, 2026 expiration, the BYRN put/call ratio based on open interest is 0.10 (67 puts vs 692 calls), and 13.67 based on today's volume. A ratio above 1 means more puts than calls.
What is BYRN's implied volatility?
At-the-money implied volatility for BYRN options expiring October 16, 2026 is about 87.5%, an annualized estimate of how much the market expects Byrna Technologies stock to move.
How many BYRN option expiration dates are there?
BYRN has 6 listed expiration dates, from Oct 16, 2026 to Jan 21, 2028.
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.