Flowserve (FLS) Options Chain
NYSE: FLSIndustrialsFluid ControlsUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Nov 20, 2026
- Days to expiration
- 40
- Share price
- $72.28
- Put/call ratio (OI)
- 0.03
- Put/call ratio (volume)
- 0.04
- Expected move
- ±$11.97
- Open interest (C / P)
- 727 / 24
FLS options summary
The FLS options chain for the November 20, 2026 expiration lists 5 call and 3 put contracts, with 40 days until expiration. Open interest stands at 727 calls and 24 puts, a put/call ratio of 0.03, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $70.00 strike is 50.0%, which implies the market expects a move of about ±$11.97 (16.6%) in Flowserve stock by expiration.
The most open interest sits at the $85.00 call (354 contracts) and the $70.00 put (21 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
FLS options chain · November 20, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 15.15 | 11.90 | 14.60 | 60.00 | — | — | — | |||||
| — | — | — | 65.00 | 0.55 | 3.60 | 2.01 | |||||
| — | — | — | 70.00 | 2.40 | 5.00 | 3.37 | |||||
| 4.00 | 2.30 | 3.90 | 75.00 | — | — | — | |||||
| 1.60 | 0.30 | 2.40 | 80.00 | 8.30 | 10.90 | 11.70 | |||||
| 1.20 | 0.35 | 2.35 | 85.00 | — | — | — | |||||
| 0.45 | 0.05 | 1.55 | 90.00 | — | — | — | |||||
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 FLS put/call ratio?
For the November 20, 2026 expiration, the FLS put/call ratio based on open interest is 0.03 (24 puts vs 727 calls), and 0.04 based on today's volume. A ratio above 1 means more puts than calls.
What is FLS's implied volatility?
At-the-money implied volatility for FLS options expiring November 20, 2026 is about 50.0%, an annualized estimate of how much the market expects Flowserve stock to move.
How many FLS option expiration dates are there?
FLS 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.