Five9 (FIVN) Options Chain

NASDAQ: FIVNTechnologyEDP ServicesUSD

35.38+0.23 (+0.65%)

Market open · Delayed 15 min · as of Oct 9, 2:44 PM ET

Expiration date

Expiration: Oct 16, 2026
Days to expiration: 7
Share price: $35.38
Put/call ratio (OI): 0.31
Put/call ratio (volume): 0.78
ATM implied volatility: 61.5%
Expected move: ±$3.01
Open interest (C / P): 28.16K / 8.63K

FIVN options summary

The FIVN options chain for the October 16, 2026 expiration lists 19 call and 15 put contracts, with 7 days until expiration. Open interest stands at 28,162 calls and 8,625 puts, a put/call ratio of 0.31, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $35.00 strike is 61.5%, which implies the market expects a move of about ±$3.01 (8.5%) in Five9 stock by expiration.

The most open interest sits at the $22.50 call (12.15K contracts) and the $27.50 put (3.43K contracts).

Summary generated from market data by MetaCap's automated system. Methodology

FIVN options chain · October 16, 2026

FIVN calls and puts by strike price. Shaded cells are in the money.
Calls							Puts
OI	Vol	IV	Last	Bid	Ask	Strike	Bid	Ask	Last	IV	Vol	OI
0	—	—	22.80	26.90	29.80	5.00	0.00	0.00	0.18	50.0%	1	0
1	10	—	20.20	24.80	27.30	7.50	0.00	0.00	0.05	50.0%	2	0
0	1	—	14.00	0.00	0.00	10.00	0.00	0.85	0.60	565.6%	1	29
1	1	613.7%	25.30	21.40	24.00	12.50	0.00	0.05	0.10	293.8%	1	204
159	1	504.1%	18.75	19.10	21.40	15.00	0.00	0.65	0.05	374.2%	3	261
96	92	440.4%	13.89	16.60	19.00	17.50	0.00	0.65	0.01	314.8%	15	2,841
417	1	280.1%	15.33	14.70	15.80	20.00	0.00	0.00	0.11	50.0%	5	0
12,154	15	175.4%	12.50	12.10	13.00	22.50	0.00	0.55	0.15	209.0%	2	343
6,743	2	—	10.44	10.00	10.30	25.00	0.00	0.10	0.70	119.5%	1	271
1,342	17	78.9%	7.47	7.10	8.70	27.50	0.00	0.15	0.05	97.7%	20	3,433
1,700	1	54.7%	4.00	4.90	5.40	30.00	0.00	0.20	0.15	73.4%	66	760
473	9	77.5%	3.80	2.60	3.40	32.50	0.25	0.35	0.30	62.1%	133	294
696	14	55.4%	1.20	1.05	1.35	35.00	1.00	1.45	1.36	67.7%	10	92
FIVN $35.38
1,330	1	54.2%	0.50	0.30	0.50	37.50	2.65	3.10	3.34	74.2%	1	93
2,431	152	59.8%	0.16	0.10	0.15	40.00	4.70	5.30	4.30	82.6%	6	4
188	11	72.7%	0.10	0.00	0.15	42.50	—	—	—	—	—	—
197	3	126.4%	0.05	0.00	0.70	45.00	—	—	—	—	—	—
78	9	99.2%	0.15	0.00	0.10	47.50	—	—	—	—	—	—
156	4	126.6%	0.15	0.00	0.20	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 FIVN put/call ratio?

For the October 16, 2026 expiration, the FIVN put/call ratio based on open interest is 0.31 (8,625 puts vs 28,162 calls), and 0.78 based on today's volume. A ratio above 1 means more puts than calls.

What is FIVN's implied volatility?

At-the-money implied volatility for FIVN options expiring October 16, 2026 is about 61.5%, an annualized estimate of how much the market expects Five9 stock to move.

How many FIVN option expiration dates are there?

FIVN has 8 listed expiration dates, from Oct 16, 2026 to Jan 19, 2029.

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.