A10 Networks (ATEN) Options Chain
NYSE: ATENTelecommunicationsComputer Communications EquipmentUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Nov 20, 2026
- Days to expiration
- 39
- Share price
- $29.63
- Put/call ratio (OI)
- 0.01
- Put/call ratio (volume)
- 0.57
- Expected move
- ±$0.1511
- Open interest (C / P)
- 1.40K / 10
ATEN options summary
The ATEN options chain for the November 20, 2026 expiration lists 8 call and 8 put contracts, with 39 days until expiration. Open interest stands at 1,401 calls and 10 puts, a put/call ratio of 0.01, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $30.00 strike is 1.6%, which implies the market expects a move of about ±$0.1511 (0.5%) in A10 Networks stock by expiration.
The most open interest sits at the $45.00 call (1.40K contracts) and the $40.00 put (5 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
ATEN options chain · November 20, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| — | — | — | 12.50 | 0.00 | 0.00 | 0.09 | |||||
| — | — | — | 17.50 | 0.15 | 0.50 | 0.26 | |||||
| 7.00 | 0.00 | 0.00 | 20.00 | 0.00 | 0.00 | 0.50 | |||||
| 6.30 | 0.00 | 0.00 | 22.50 | 0.00 | 0.00 | 0.50 | |||||
| 4.90 | 0.00 | 0.00 | 25.00 | 0.00 | 0.00 | 0.70 | |||||
| 2.30 | 0.00 | 0.00 | 30.00 | 0.00 | 0.00 | 3.10 | |||||
| 0.56 | 0.00 | 0.00 | 35.00 | 8.50 | 10.90 | 4.20 | |||||
| 0.15 | 0.00 | 0.00 | 40.00 | 13.40 | 15.80 | 7.80 | |||||
| 1.60 | 0.00 | 0.75 | 45.00 | — | — | — | |||||
| 0.05 | 0.00 | 0.00 | 50.00 | — | — | — | |||||
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 ATEN put/call ratio?
For the November 20, 2026 expiration, the ATEN put/call ratio based on open interest is 0.01 (10 puts vs 1,401 calls), and 0.57 based on today's volume. A ratio above 1 means more puts than calls.
What is ATEN's implied volatility?
At-the-money implied volatility for ATEN options expiring November 20, 2026 is about 1.6%, an annualized estimate of how much the market expects A10 Networks stock to move.
How many ATEN option expiration dates are there?
ATEN 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.